Anna University Short Term CAD / CAM / CAE Courses for Engineering / Diploma Students


AU-FRG Institute for CAD/CAM conducts high quality training programmes in the field of CAD/CAE for the benefit of working engineers and engineering graduates. In order to extend these training programmes to
the students of engineering colleges and to enrich their professional skills to suit the current
Industrial/R&D requirements, exclusive training programmes are conducted as scheduled below.


1. FEA using ANSYS (or) FEA using MSC-NASTRAN
2. CAD using CATIA
3. CFD using ANSYS CFX (or) CFD using ANSYS FLUENT
4. Modelling and Dynamic analysis using ADAMS

5. FEA using ANSYS  (or) FEA using MSC-NASTRAN
6. CAD using CATIA
7. CFD using ANSYS CFX (or) CFD using ANSYS FLUENT
8. Modelling and Dynamic analysis using ADAMS


Fee for each course: Rs.6000/- only.

Admission is on First Come – First Served basis.

Send your Registration form for admission containing the College address, Communication address
along with the course fee as Demand Draft drawn in favour of “The Director, AU-FRG Institute for
CAD/CAM, Anna University, Chennai”.

For further information and enrolling, contact

The Director,
AU-FRG Institute for CAD/CAM,
Anna University, Chennai – 600 025.
Tel: 91-44-2235 8053, 2235 1991
Fax: 91-44-2235 1991

E-mail: annacad@annauniv.edu

Note: Students should produce Bonafide Certificate from their institution (or) Copy of Identity card.


Click here for notification



EE2252 Power Plant Engineering Important Topics - Anna University EEE 4th Semester Important Questions

Anna University, Chennai
Power Plant Engineering Important Questions
Regulation: 2008
Department of Electrical and Electronics Engineering

* Study  all layout of power plant

Unit I Important Topics
  • Layout (16)
  • Coal handling system (16), 
  • steam power plant cycles(16), 
  • Cooling towers(16) ,
  • Deareators(8)
Unit II Important Topics
  • Layout(16) ,
  • Water turbines (16 marks and 8 marks in any topic ),
  • Pumped storage power plant
Unit III Important Topics
  • Layout (16), 
  • BWR,FBR,PWR, CANDU ,GCR reactors(each reactors 8 marks ).
Unit IV Important Topics
  • Layout of gas and diesel power plant (16 marks) ,
  • Open cycle and closed cycle gas turbines and its comparison(16),
  • Method to improve the performance of power plant (16)
Unit V Important Topics
  • Wind electric power generation,
  • Thermionic power generation,
  • Layout of MHD generator (16)

EE 2253 Control Systems Part B Important Questions May/June 2013


CONTROL SYSTEM
PART B IMPORTANT QUESTIONS

Unit  I

1. Explain the TF of armature and field controlled DC motor. (16)
2. Problem from mechanical translational system(analogy of force- voltage and force- current) (16)
3. Problem from signal flow graph + block diagram (8 +8 )

Unit II

1. Explain servomotors and its types (16)
2. Derive the time response of under damped and critically damped  second order system for unit step input (16)
3. Derive the expression for time domain specifications (16)

Unit III

1. Derive the frequency domain specifications of second order system (16)
2. Problem from bode plot determining phase margin,gain margin ,determination of k value,gain and phase cross over frequency( any 2 ) (16)
3. Problem from polar plot (same as bode plot )(16)
4. Explain frequency domain specifications (8)

Unit IV 

1. Explain the locatiuon of poles on s-plane for stability (16)
2. Problems from routh Hurwitz criterion (8)
3. Problems to determine gain and phase cross over frequency, gain and phase margin from given TF (16)
4. Problems from root locus (16)

Unit V

1. Derive the realisation of electrical network, frequency response, determination of maximam phase lag and max. Lag angle for
a) lag compensator (16)
b) lead compensator (16) (separate questions)
2. Problems from lag compensator  or lead compensator (each 16 marks )



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EC2205-Electronic circuits I - Important Questions May/June 2013



Electronic circuits I

Part A

1)Define stability factor of an amplifier. what is its ideal value.
2)What is thermal runaway in transistor.
3)Draw cc amplifier and its equivalent hybrid model.
4)Define CMRR.
5)Define rise time in transistor.
6)Mention the effect of coupling capacitor.
7)What is cross over distortion.
8)What is maximum junction temperature.
9)Compare half and full wave rectifier.
10)What are the advantages of SMPS.

Part B.

1)What is the need of biasing in BJT. Draw and explain fixed biasing circuits.
2)Explain detail in MOSFET biasing.
3)Explain various techniques used in stabilization of Q point in transistor.
4)Derive expression for current gain ,input and output impedance for CE
amplifier.
5)Explain in detail the method of Darlington connection.
6)Explain the working of Basic emitter coupled differential amplifier.
7)Draw hybrіd model π model and derіve varіouѕ componentѕ іn termѕ of h parameters.
8)Derive expression for frequency response of multistage amplifier.
9)Discuss the high frequency equivalent circuit of FET.
10)Explain the operation of transformer coupled class A amplifier.
11)Explain D amplifier with neat diagram.
12)Draw and explain class B push pull amplifier with its merits.
13)Explain rectification efficiency and ripple factor and peak inverse voltage in
HWR and FWR.
14)Explain the working of Switched mode power supply with neat diagram.
15)Explain with neat diagram of power control using SCR.

EC 2201 Electrical Engineering Important Questions May/June 2013



Electrical Engineering
Part A

1)What are the basic components required for generator action to exist.
2)Write various factors affecting speed of the dc motor.
3)Differentiate single and three Phase.
4)What is the conditions for maximum efficiency and zero regulation of a transformer.
5)What is the working principle of 3 phase induction motor.
6)Which type of dc motor used in ceiling fan and wet grinder.
7)What is projecting pole motor.
8)What is the advantage of rotating magnetic system.
9)Draw line diagram of power system.
10)Distinguish EHVAC and EHVDC.

Part B.

1)Derive an expression for EMF equation of DC generator.
2)Explain OC and SC test on a transformer.
3)Explain the working of single Phase transformer with neat circuit diagram.
4)Explain the methods to control the speed of the induction motor.
5)Explain the types of starters used in Squirrel cage induction motor.
6)Compare synchronous and induction motors.
7)Explain the construction and working of stepper motor.
8)Derive EMF equation of alternator.
9)Explain the method of predetermination of regulation using EMF method.
10)Write line sketch Explain the power system.
11)Explain any one of the power generating station.
12)Write short note of EHVAC and EHVDC transmission system.
13)List the various part substation and specify its role.

Anna University ECE Dept Important Questions May/June 2013

Anna University

Department of Electronics and Communication Engineering

Regulation: 2008


This posts consists of the Important Questions of Department of Electronics and Communication Engineering. To get the Important Questions, Just click the below Subject.





EC 2255 Control Systems (Will Update Soon)

MA 2261 Probability and Random Processes (will Update Soon)

If You want important Questions for any other Subjects or any other Department, Feel free to comment below. We will respond you soon. 

EC2252 Communication Theory Important Questions May/June 2013



Communication Theory.

Part A.

1)What are the causes of linear distortion.
2)What are the applications of FDM.
3)What is detection.
4)Explain noise figure.
5)Write the advantages of ratio detector.
6)What is white noise.
7)What are the methods to improve threshold reduction.
8)What is capture effect in FM.
9)What are the advantages of Limpel Ziv coding.
10)Explain channel capacity theorem.

Part B.

1)Explain different methods of generation of AM.
2)Compare Amplitude modulation schemes.
3)Explain FDM with its block diagram.
4)Write the operation of slope detector.
5)Compare narrow band and wide band FM.
6)Explain Frequency modulation with its waveform.
7)Explain shot noise with its powers pectral density.
8)Explain narrow band noise and its properties.
9)Explain pre and de emphasis.
10)Compare AM and FM systems.
11)Explain figure of merit.
12)Derive channel capacity for binary symmetric channel.
13)Derive channel capacity for power limited Gaussian channel.
14)Write procedure for huffman coding.
15)Write procedure for shanon -Fano coding.

EC2253 Electromagnetic Field Important Questions May/June 2013



Electromagnetic Fields.

Part A.

1)What are the different types of coordinates available.
2)State coulombs law.
3)State Biot savarts law.
4)What are the applications of lorentz force.
5)Define magnetization.
6)Draw the BH curve for magnetic materials.
7)Define lenzs law.
8)Writethe point form of maxwells equation.
9)What is brewster angle.
10)What is skin effect.

Part B.

1)Write detail on Co ordinate systems.
2)What is divergence and curl of a vector.
3)State and prove gauss law.
4)Derive amperes circuital law.
5)Find the magnetic field intensity due to finite length of wire carrying current in magnetic field intensity at square loop.
6)Obtain the expression for scalar and vector magnetic potential
7)Derive an expression for magnetic field intensity on the axis of a circular loop of a radius'a' and carrying current 'I'.
8)Derive an expression for inductance of a solenoid.
9)State and explain boundary conditions between two dielectries with permitivites.
10)Derive poission and laplace equations.
11)Derive an expression for co efficient of coupling.
12)Explain maxwells equationsin differential and integral forms.
13)Derive modified form of amperes circuital law.
14)State and explain poynting theorem and poynting vector.
15)Derive the gendral wave equation.
16)Explain wave motion in good conductors.
17)Explain reflection of plane waves by a perfect dielectrics.

EC2251 Electronic Circuits II Important Questions May/June 2013



Electronic Circuits II

Part A

1)What are the four basic topologie sin feedback network.
2)Draw voltage amplifier and current amplifier.
3)What is barkhausen criterion.
4)Draw equivalent circuit of quartz crystal. and write its frequency.
5)What is tuned amplifiers.
6)What is staggered tuned amplifiers.
7)What are the types of distortion sin astable multivibrators.
8)Draw clipper circuits.
9) what is pulse transformer and draw its ideal model.
10)What is blocking oscillator.

Part B

1)What are the effects of negative feedback amplifiers.
2)Derive input and output impedence of voltage series amplifier.
3)Explain Nyquist stablity criterion.
4)Draw the block diagram of current series amplifier.
5)Explain Phase shift oscillator with its circuit diagram.
6)Explain colpitts oscillator.
7)Draw and explain hartely oscillator.
8)Explain single tuned amplifier and write its frequency of oscillation.
9)Explain Hazeltine neutralization.
10)Explain RC circuit as integrator.
11)Explain RC circuit as Differentiator.
12)Explain collector coupled astable multivibrators.
13)Write expressionfor UTP and LTP.
14)Explain Pulse width of monostable multivibrators.
15)Explain UJT sawtooth generator circuit.
16)Explain bootstrap sawtooth generator circuit.

EC2254 Linear integrated circuits Important Questions May/June 2013



Linear integrated circuits

Part A

1)What is monolithic integrated transistor.
2)Define PSRR.
3)What is thershold voltage level.
4)What is the overall gain of wide band pass filter.
5)What are the advantages of variable transconductance technique.
6)Draw the circuit diagram of squaring circuit using multiplier.
7)Draw the circuit of CMOS inverter switch.
8)Define conversion of DAC.
9)What are the advantages of switched capacitor filter.
10)What are the requirement of designing a video amplifier.

Part B.

1)Explain the process of monolithic IC fabrication.
2)With a neat circuit diagram and necessary equations explain the concept of widlar current source.
3)Explain the types of frequency compensation technique.
4)Explain the concept of schmitt trigger circuit.
5)Explain active integrator with its working.
6)Draw and explain voltage to current converter if the load is floating and grounded.
7)Explain the working of antilog amplifier using IC741.
8)Explain the working of gilbert multiplier cell.
9)Explain four quadrant variable transconductance multiplier circuit.
10)Explain the performance parameters of multiplierIC.
11)Explain the application of 565 PLL.
12)Describe the operation of dual slope and successive approximation type ADC.
13)Explain sample and hold circuit with suitable circuits.
14)Explain over sampling AD Converter with functional block diagram.
15)Explain the operation of LM380 power amplifier.
16)With neat diagram explain the operation of frequency to voltage converter.
17)With the functional diagram explain IC555 and IC723.


EC2202 Data Structures and OOPS using c++ Important (Expected) Questions May/June2013



Data Structures and OOPS using c++.

Part A.

1)How to declare class in c++.
2)What is scope resolution operator in c++.
3)What is mean by binding.
4)How to implement pointer.
5)Write two data structuresin operating system.
6)How to represent big and small O notations.
7)How many trees are possible in 3 nodes.
8)What is spanning tree.
9)What is the feature of bucketsort in algorithm.
10)Define dynamic programming.

Part B.

1)Give syntax using reserved word inline with two examples.
2)Explain constructors and destructors with an example.
3)Explain operator overloading with an example program.
4)Define friend class and its importance.
5)Explain virtual function
6)Explain polymorphism with example program.
7)Explain the concept of inheritance.
8)Explain constructors used in dynamic memory allocation.
9)Explain priority queues and binary heap.
10)Explain the properties of heap.
11)Writec++ program to implementstack and its operations.
12)What is hashing and explain its types.
13)Explain traverse tree using inorder and preorder.
14)Explain the conversion of prefix to postfix expression with an example.
15)Writeshort notes on AVLtrees.
16)Explain Quick sort algorithm.
17)Describe divide and conquer technique with help of merge sort.

TNEA 2013 Schedule of Events | Application Form | Sales Centres | Counselling | www.annauniv.edu | Rank List

Anna University

TAMIL NADU ENGINEERING ADMISSIONS – 2013


Anna University published the Schedule of Events for the TNEA 2013

Click here to know the application issue centres


 



ஃபேஸ்புக்கில் அடிமை ஆகுவதை தடுப்பது எப்படி ? ? ? ?


வணக்கம் மாணவர்களே,

இங்கே Facebook க்கு அடிமை ஆவதை தடுக்க சில வழிகள்:

1. உங்களை கேள்வி கேளுங்கள்:

நாம் ஏன் Facebook ஐ பயன்படுத்துகிறோம், அதனால் நமக்கு என்ன  பயன் என உங்களை கேள்வி கேளுங்கள்.

2. உங்கள் Facebook பயன்பாட்டை கண்காணிக்கவும்:

Facebook ஐ Open செய்து  நாம் என்ன செய்கிறோம் என உங்களை கண்காணியுங்கள். ஒரு நாளைக்கு 20 முதல் 30 நிமிடங்கள் அல்லது அதற்கு குறைவான நேரத்திற்கு Facebook ஐ பயன்படுத்துங்கள்.

3. நீங்கள் தவிர்க்கும் விஷயங்களில் கவனம் செலுத்துங்கள்:

* புத்தகங்கள் வாசியுங்கள்.
* இசை கேளுங்கள். . இன்னும் பல

4. Block செய்யுங்கள்:

Antivirus ஐ உபயோகித்து Facebook தளத்தை Block செய்யுங்கள் . இணையதளத்தில்  கற்றுக்கொள்ள மற்றும் பயன்படுத்த நிறைய இருக்கின்றன. எடுத்துகாட்டாக இசை கேட்பது, பயனுள்ள வீடியோ பார்ப்பது, இது நீங்கள் உங்கள் மனதை  திசை திருப்ப உதவும்.

5. Facebook கணக்கை  Delete அல்லது Deactivate செய்யுங்கள் :

இது தான் கடைசி வழி ஆகும். இது கடினமான, ஆனால் உங்கள்  எதிர்காலத்தின் பொருட்டு அதை செய்ய வேண்டும்.



All the Best for the Practical Examination April/may 2013



அண்ணா பல்கலைக்கழக செய்முறை தேர்வுகள் நாளை (22-04-2013) முதல் ஆரம்பிக்க இருக்கின்றன. அண்ணா பல்கலைக்கழக செய்முறை தேர்வுகள் கீழே உள்ள தேதிகளில் நடைபெறுகின்றது.

Slot  1: 22nd Apr 2013 - 27th Apr 2013
Slot  2: 29th Apr 2013 - 4th May 2013

All The Best for Your Anna University Practical Examination April/May 2013

- JPR Notes Team





NATA 2013


CS2028 - UNIX Internals Nov/Dec 2011 Question Paper


B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.
Sixth Semester
Computer Science and Engineering
CS2028 - UNIX Internals
(Regulation 2008)

Answer All Questions
PART – A (10 × 2 = 20 Marks)

1. What is u-area?
2. What is the use of buffer cache?
3. What should happen if the kernel attempts to awaken all processes sleeping on an event, but no processes is asleep on the event at the time of wakeup?
4. What are signals?
5. What is close system call?
6. What is the use FORK system call?
7. What are special files?
8. What is the use of shell?
9. What are streams?
10. What is character device switch table?

PART B-(5*16=80 MARKS)

11. (a) List out the reasons for popularity of UNIX OS.
(b) How to exam us the architecture of UNIX.
OR
12. (a) How to exam us about file sub system.
(b) How to exam us about kernel data structures.

13. (a) How to exam us about the Organization of buffer header.
(b) Explain about algorithms for studying and writing disk blocks.
OR
14. (a) How to exam us how byte offset is converted to block numbers in the file system.
(b) Write a note on superblock

15. Write short notes on
(a). Pipes
(b) STAT and FSTAT.
OR
16. (a) explain about file and record locking .
(b) How to exam us about DUP system call.

17. (a) How to exam us about process situation.
(b) Write notes on process creation.
OR
18. (a) How to exam us about attached algorithm.
(b) Explain about system boot and unit process.

19. (a) How to exam us about swapping in detail
(b) Explain about fair share scheduler.
OR
20. (a) How to exam us demand paging in detail.
(b) Explain in detail about driver interfaces.

EE 2351 Power System Analysis November / December 2011 Question Paper



B.E/ B.Tech. Degree Examination, November / December 2011
Sixth Semester
Electrical and Electronics Engineering
EE 2351 – Power System Analysis
(Regulation 2008)
Time: Three hours                                                                     Maximum: 100 marks

Answer all questions
Part A – (10 × 2 = 20 marks)

1 . What is single line diagram?
2. How are the loads represented in reactance or impedance diagram?
3. What are the different types of buses in power systems? What are the quantities specified in each bus?
4. How are the disadvantages of Newton-Raphson method overcome?
5. What is the need for short circuit studies?
6. List the various types of shunt and series faults.
7. Define negative sequence impedance.
8. Name the faults which do not have zero sequence currents flowing.
9. Give an expression for swing equation. Explain each term along with their units.
10. State equal area criterion.

Part B – (5 × 16 = 80 marks)

11. (a) (i) The parameters of a 4-bus system are as under: Bus Code Line impedance (p.u) Charging admittance (p.u)
1 – 2 0.2 + j0.8 j0.02
2 – 3 0.3 + j0.9 j0.03
2 – 4 0.25 + j1.0 j0.04
3 – 4 0.2 + j0.8 j0.02
1 – 3 0.1 + j0.4 j0.01
Draw the network and find bus admittance matrix. (10)
(ii) A three phase, Δ-Y transformer with rating 100 KVA, 11 KV / 400 V has its primary and
secondary leakage reactance as 12 Ω / phase and 0.05 Ω / phase respectively. Calculate the
p.u. reactance of transformer. (6)
(OR)
(b) Determine Zbus for system whose reactance diagram is shown in given figure, where the
impedance is given in p.u. Preserve all the nodes.

12 (a) The one line diagram of three bus power system is shown in given figure,
Bus 1: Slack bus, Especified =
Bus 2: PV bus, , PG = 3 p.u
Bus 3: PQ bus, PL = 4 p.u, QL = 2 p.u.
Carry out one iteration of load flow solution by Gauss-Seidel method. Take Q limits of
generator 2 as 0 ≤ Q ≤ 4. Take α = 1.
(OR)
(b) (i) Draw the flow chart of fast decoupled load flow method. (10)
(ii) Briefly explain the importance of power flow analysis. (6)

13 (a) The given figure shows a generating station feeding a 132 KV system. Determine the total
fault current, fault level and fault current supplied by each alternator for a 3-phase fault at the
receiving end bus. The line is 200 Km long.
(OR)
(b) (i) What are the basic assumptions made in fault calculations? (6)
(ii) Explain how the fault current can be determined using Zbus with neat flow chart. (10)

14 (a) (i) The given figure shows a power system network. Draw the positive sequence network,
negative sequence network and zero sequence network. The system data is given
below. (8)
Equipment MVA rating Voltage rating X1 (p.u) X2 (p.u) X0 (p.u)
Generator G1 100 11 KV 0.25 0.25 0.05
Generator G2 100 11 KV 0.2 0.2 0.05
Transformer T1 100 11 / 230 KV 0.06 0.06 0.06
Transformer T2 100 11 / 220 KV 0.07 0.07 0.07
Line 1 100 220 KV 0.1 0.1 0.3
Line 2 100 220 KV 0.1 0.1 0.3
(ii) Derive an expression for fault current for a Line-Line fault. (8)
(OR)
(b) A 30 MVA 11 KV generator has Z1 = Z2 = j0.2 p.u, Z0 = j0.05 p.u. A line to ground fault
occurs on the generator terminals. Find the fault current and line to line voltages during limit
conditions. Assume that the generator neutral is grounded and that the generator is operating
at no load ad at rated voltage at the occurrence of fault.

15 (a) (i) A generator is operating at 50 Hz delivers 1.0 p.u power to an infinite bus through a
transmission circuit in which resistance is ignored. A fault takes place reducing the maximum
power transferable to 0.5 p.u whereas before the fault, this power was 2.0 p.u and after the
clearance of the fault, it is 1.5 p.u. By the use of equal area criterion, determine the critical
clearing angle. (10)
(ii) Discuss the methods by which the transient stability can be improved. (6)
(OR)
(b) Derive the swing equation of a single machine connected to an infinite bus system and
explain the steps of solution by Runge-Kutta method.
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Anna University UG/PG Changes & Additions II in May/June 2013 Timetable

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AT2302 Automotive Electrical & Electronics Nov/Dec 2012 Question Paper


B.E/B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2012
Fifth semester
Automobile engineering
AT 2302/AU52/1O122 AU 504 – AUTOMOTIVE ELECTRICAL AND ELECTRONICS
(Regulation 2008)

Answer All Questions
PART A-(10*2=20 marks)

1. What is reserve capacity of a battery?
2. Write the reaction takes place during discharging and charging of nickel metal hydride cell.
3. What is the purpose of ballast resistor?
4. How do you control the generator output in automobiles?
5. List the factor affecting the establishment of arc across the spark plug air gap.
6. What are the factors that affect the life of a spark plug?
7. What is the function of a pulse generator?
8. Write the merits of distributor less ignition system.
9. What do you mean by aiming of head light?
10. Mention the significance of colour codes in an automobile.

PART B-(5*16=80 marks)

11. (a) Discuss various battery parameters in detail. Also give nominal battery parameters for any four types of any four types of automotive batteries.
Or
(b) Explain different battery charging types and state of charge methods.

12. (a) Describe the construction and working of overrunning clutch type starting drive. What is the function of solenoid switch in a pre-engaged starter motor
Or
(b) Explain in detail the procedure adopted to test the working of a generator regulator system. Discuss the common faults occur in generators.

13. (a) Explain the components of a magneto ignition system in detail. Mention the advantages of magneto ignition system over battery coil ignition system.
Or
(b) Explain the mechanism of centrifugal and vacuum advance methods. Justify the need for combined method.

14. (a) Explain the components of programmed ignition system with a lay out
Or
(b) How does a breaker -triggered system work? Explain the working of capacity discharge ignition system with its advantages.

15. (a) Explain the operation and principle of fuel level indicator ,oil lever indicator, and coolant temperature indicator.
Or
(b) Explain the construction and working of wiper motor. Also explain the how an electric horn works.

EE2251 Electrical Machines - I 16 Marks Questions



EE2251 ELECTRICAL MACHINES – I
PART-B [16MARKS]

UNIT-I

1. Explain the methods of analyzing the magnetic circuits
2. Explain the two types of magnetic circuits with neat diagram
3. Explain in detail about electromagnetic induction
4. Draw the typical B-H curve and hysteresis loop and explain its concepts
5. Explain the meaning of self induced emf, mutually induced emf, statically induced emf, dynamically induced emf and give practical examples
6. Distuingusih between statically induced emf and dynamically induced emf
7. Prove that M=k√L1L2
8. Explain about magnetization curve for Ferro magnetic material
9. Explain in detail about hysteresis loss and eddy current loss in detail
10. Explain various types’ core loss on detail

UNIT-II

1. Explain the construction of a transformer.
2. a. Derive the emf equation of a transformer.(8)
b. Develop an approximate equivalent circuit for a two winding transformer. (8)
3. A 100 KVA 1100/200v single phase transformer has the following parameters.R1 = 1 ,
X1= 3 , R2=0.04 , X2=0.012 . Find the equivalent resistance and leakage reactance as referred to High Voltage winding.
4. a. Discuss about the working principle of a transformer. (8)
b. Draw the phasor diagram & explain the operation of a practical transformer on load. (8)
5. Draw the equivalent circuit of a single phase 1100/220 V transformer on which the
Following results were obtained.
i . 1100V, 0.5A, 55W on primary, secondary being open circuited. (8)
ii. 10v, 80A, 400W on low voltage side, high voltage being short circuited. (8)
Calculate the voltage regulation and efficiency of the above transformer when secondary supply is 100A at 0.8 pf lagging.

UNIT-III

1. Explain the various concepts of magnetic field in rotating machines
2. Explain with neat diagram the concept of MMF space wave single coil
3. Explain the torque production in synchronous machine
4. Explain the concept of electro mechanical energy conversion in detail
5. Explain the concept of singly excited machine and derive the expression for electromagnetic torque
6. Derive the expression for mechanical force developed by magnetic field
7. Briefly explain the multiply excited magnetic field in detail
8. Explain in detail the mmf space wave of three phase distributed winding
9. Derive the torque equation of a round rotor machine clearly stating all the assumption
made give the relation between field energy and the mechanical force developed in the field
10. Derive an expression for co energy in multiply excited magnetic field systems

UNIT-IV

1. a. Derive the emf equation of an alternator. (10)
b. A 3 phase, 12 pole star connected alternator has 72 slots & 6 conductors/ slot. If its
driven at 500 rpm calculate the induced emf. Assume coil span as 150 electrical and flux per pole 40mwb. (6)
2. Constructional features of cylindrical rotor alternator.
3. a. Explain the construction of salient pole Synchronous machine. (10)
b. From the following test result, determine the volt. Reg. of a 2000v, 10 alternator delivering a I2 = 100 A at 0.8 pf lagging. (6)
Test results: An excitation of 2.5A produces a current of 100a in the stator winding on Short Circuit & an emf of 500v in open circuit. Assume an effective resistance of 0.8 ohm.
4. Explain the principle of operation of hysteresis motor.(8)
5. Explain the principle of operation of reluctance machine. (8)
6. Explain the principle of operation of synchronous motor. (8)

UNIT-V

1. Describe with neat diagram the constructional features of DC machines.
2. Derive the expression for generated emf in a DC machine.(8)
3. Discuss the characteristics of DC motors.
4. Derive the torque equation of a DC motor from first principle.(8)
5. What do you mean by losses method & briefly explain it.
6. Discuss in detail the methods of control of speed of a DC motor.

Anna University Nov/Dec 2012 Revaluation Results - Procedure for applying for Review


OFFICE OF THE CONTROLLER OF EXAMINATIONS 
ANNA UNIVERSITY :: CHENNAI – 25 
UG/PG – November/December 2012 Examinations 

PROCEDURE FOR APPLYING FOR REVIEW


The Last date of Registration for Review of Answer Scripts is on 19-04-2013. 

1. The candidates can register for review of answer scripts only in the COE web portal through the college. The Principals of the Colleges may arrange for the registration of the courses through the COE Web portal. The manual applications will not be accepted by the Office of the Controller of Examinations. After registration the applications have to be generated for each student and the same may be sent to the office of the Controller of Examinations along with the abstract generated for the college and the amount of money for the review of answer scripts in the form of demand draft.

2. Only candidates who have applied for the photocopy of the answer script are eligible for applying for review. There is no restriction on the MARK/GRADE obtained by the candidate.

3. The answer script is to be valued and justified by a faculty member of the college, who handled the subject, and he/she should recommend for review with the breakup of marks for each question.

4. The generated application for review should be forwarded by the Principal along with the requisition of the
student with proper justification of the faculty member concerned.

5. The fee for review is Rs.3,000/- and it should be paid in the form of demand draft drawn in favour of the Controller of Examinations, Anna University, Chennai – 25.

6. Grade System: If a candidate gets higher grade in review, the higher grade will be declared as the final grade. Only such candidates are eligible for refund of sum of Rs.3,000/-.

7. Mark System: If a candidate gets a higher mark in review, the higher mark obtained in review will be declared as the final mark. Refund of sum of Rs.3,000/- will be made only to
a) The candidates who have failed originally and obtained pass mark after review.
b) The candidates who have passed already and obtained an increase of 5 or more marks after review.

8. The refund will be made to the candidate through the Principal of the College in the form of demand draft drawn in the name of the candidate.

9. The Last date of Registration for Review of Answer Scripts is on 19-04-2013. 

Anna University UG/PG Changes & Additions - I May/June 2013 Exam timetable


Anna University


Anna University announced the Changes and Additions -I in UG/PG Examinations TimeTable - Affiliated Colleges MAY/JUNE 2013

Click the below links to get the timetable










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Anna University Changes and Additions -I in UG Examinations Timetable - Affiliated Colleges MAY/JUNE 2013

Anna University



Changes and Additions -I in UG Examinations Timetable - Affiliated Colleges MAY/JUNE 2013

Anna University Changes and Additions -I in PG Examinations Timetable - Affiliated Colleges MAY/JUNE 2013

Anna University


Changes and Additions -I in PG Examinations Timetable - Affiliated Colleges MAY/JUNE 2013





Anna University UG/PG Revaluation Nov/Dec - 2012 Result Announced

Anna University



UG/PG Revaluation  November/December - 2012 Result Announced




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TNEA 2013 Certificates


Tamil Nadu Engineering Admission (TNEA) 2013 Certificates

Candidates may select the certificates which are relevant to them and get the certificates readily available, so as to enable them to submit the TNEA 2013 applications soon after the publication of HSC / Equivalent Examination results.

(1) Nativity Certificate

Tamil Nadu Native candidates who have not studied any one of VIII, IX, X, XI and XII Standard or whole in Tamil Nadu needs to submit Nativity Certificate along with the application for TNEA 2013.

Download the Certificate

(2) First Graduate tuition fee exemption

Tamil Nadu native candidates who are to be first graduate in a family, those who are attending counselling and joined in professional courses in Government / Aided and Self-Financing Engineering Colleges alone are eligible. (If the applicant’s brother or sister has already availed First Graduate Tuition Fee concession for studying Professional Courses, then the applicant is not eligible for such concession).


Download the Certificate


(3) Special Reservation

Tamil Nadu native candidates alone are eligible for the special reservation.
 
(i) Son / Daughter of Ex-Serviceman -         Certificate No. III
(ii) Son / Daughter of Freedom Fighters - Certificate No. IV
(iii) Medical certificate for Orthopedically    
 Differently Abled persons -                         Certificate No. V
(iv) Medical certificate for Hearing Impaired - Certificate No. VI
(v) Medical certificate for Visually Impaired - Certificate No. VII

The Delhi Metro Rail Corporation (DMRC) Executive Trainees (Engineers) Posts April 2013



Applications are invited from dynamic and result oriented Engineers (Civil, Electrical & Electronics), having a minimum of 70% marks in B.Tech/B.E examinations (in respective
disciplines) and Architects having a minimum of 60% marks in B.Arch from AICTE
recognized Institutes/Universities and should be a valid GATE Score holder (validity of
Gate Score is two years) for filling up 25 slots of Executive Trainee.


Name of the Post : Executive Trainees (Engineers) : 25 posts

Age Limit:

      Not more than 28 years as on 01/01/13 (i.e not born earlier to 02/01/85) with 3 years upper age relaxation for OBC and 5 years upper age relaxation for SC & ST.

How to apply:

Eligible and interested candidates are required to apply Online only through The Delhi Metro Rail Corporation (DMRC) (Careers section): www.delhimetrorail.com.

The Online registration will remain active from 20.00 hrs of 03/04/13 to 23.59 hrs of 22/04/13 only.

Click here to get the notification

Advanced Database Technology (CSE Dept) May/June 2012 Question Paper


B.E/B.Tech DEGREE EXAMINATION, MAY/JUNE 2012
Sixth semester
Computer Science and Engineering
CS 606-ADVANCED DATABASE TECHNOLOGY
(Regulation 2008)

Answer ALL questions
PART -A

1. Define database recover. Write two recovery techniques.
2. Why we need normalization?
3. Mention any four features of distributed database system.
4. What is an important two phase commit protocol?
5. Expand ODMG. When it is necessary?
6. Write any two limitation of JASMINE.
7. Define mobile database with an example.
8. List the markup languages which are suitable for web databases.
9. Write two examples of multimedia databases and multimedia structure.
10. Define spatial database.

PART- B

11. (a) What is query optimization? Explain any two Optimization techniques in detail with suitable example.
                                                            OR
    (b) (i)Compare and contrast between BCNF and 2NF.
             (ii)Draw an ER model for university which will published examinations results of all colleges which  is affiliated to it and individual results for each college.

12. (a) Explain the architecture of distributed database in detail.
                                                OR
    (b) (i) Discuss the merits and demerits of commit protocol.
             (ii) List and explain the features of DDB.

13. (a) (i) Explain the different approaches used for object oriented databases.
            (ii)Write detail note on ODMG model.
                                                OR
    (b)Discuss in detail about structure and various operation of object oriented query language.

14. (a) Briefly discuss client/server model with suitable example.
                                                OR
    (b) (i)Compare and contrast between mobile databases and internet databases.
             (ii)Explain the major role of Xml in web databases.

15. (a) (i) Explain how to identify an active and deductive databases with an example.
            (ii)Write detail note data mining with its various techniques.
                                                OR
     (b)Write note on
(i) Spatial database
(ii)Query language for multimedia
(iii)Multimedia databases      


Neyveli Lignite Corporation Limited (NLC) Recruitment for Various Posts April 2013


Neyveli Lignite Corporation Limited (NLC), a premier ‘NAVRATNA’ Public Sector Enterprise with a present Annual Turnover of `4866 Cores (approx.) is spreading its wings in the frontiers of Mining and Power generation. The corporate plan of the company has many ambitious expansion schemes for capacity augmentation in the years to come. To add to its strength and fuel its growth, the company is looking for energetic & result oriented talents in the following disciplines:

Post Details:

Assistant Medical Officer/ Deputy Medical Officer/ Medical Officer/ Senior Medical Officer : 12 posts
General Manager (Mining) : 03 posts
Hindi Officer : 02 posts
Hindi Translators (Trainee) : 07 posts

Selection Method:

Selection will be based on personal interview and Skill Test for selective posts, if any. The exact dates & Venue of the selection will be communicated to the candidates through registered e-mail / post.

Application Fee:

General & OBC Candidates should have obtained Demand Draft for Rs.300/- as Application Fee, drawn in favour of “Neyveli Lignite Corporation Limited, Neyveli–1” payable at Neyveli, at the time of online registration. Application fee is non-refundable.

How to apply:

Eligible applicants would be required to Register and Apply ONLINE only through NLC’s website www.nlcindia.com

Click here to get the notification

EC2254 Linear Integrated Circuits (ECE Dept) Nov/Dec 2010 Question Paper



B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2010
Fourth Semester
Electronics and Communication Engineering
EC 2254 — LINEAR INTEGRATED CIRCUITS
(Regulation 2008)
(Common to PTEC 2254 – Linear Integrated circuits for B.E. (Part Time) Third
Semester Electronics and Communication Engineering Regulation 2009)

Time : Three hours                                                       Maximum : 100 Marks

Answer ALL questions
PART A — (10 × 2 = 20 Marks)

1. Define slew rate and CMRR.
2. Why are active loads preferred than passive loads in the input stage of an
operational amplifier?
3. Compare the performance of inverting and non inverting operational amplifier
configurations.
4. Why is frequency compensation required in operational amplifier?
5. Draw and write equation of an integrator using an op-amp.
6. What is lock range and capture range of PLL?
7. Compare and contrast binary ladder and R-2R ladder DAC?
8. Define resolution and conversion time of DAC.
9. Sketch the monostable multivibrator circuit diagram using 1C555.
10. What is meant by thermal shutdown applied to voltage regulators?

PART B — (5 × 16 = 80 Marks)

11. (a) (i) Explain the term epitaxy and describe the epitaxial growth process.
(ii) Describe in detail the processing steps involved in the fabrication of monolithic IC.
[Marks 16]
Or
(b) Draw the circuit diagram of the output stage of the IC 741 OP AMP and explain its
operation with clearly indicating the protection mechanisms indicated. [Marks 16]

12. (a) With relevant circuits, explain the following applications of OPAMP
(i) Voltage to current converters
(ii) Multiplier [Marks 16]
Or
(b) (i) Explain the steps involved in the design of a band pass filter using OPAMP.
(ii) Write a note on Schmitt trigger. [Marks 16]

13. (a) Draw the functional block schematic of a NE565 PLL and explain the roles of the low
pass filter and VCO. Derive the expression for the capture range and lock in range of the
PLL. [Marks 16]
Or
(b) With suitable block diagram, explain the operation of 566 voltage controlled oscillator.
Also derive an expression for the frequency of the output waveform generated. [Marks 16]

14. (a) Describe the operation of dual slope and successive approximation type
ADC. What are the advantages of dual slope ADC? [Marks 16]
Or
(b) (i) Explain voltage mode and current mode operations of R-2R ladder type DAC.
(ii) Discuss the operation of sample and hold circuit with circuit diagram. [Marks 16]

15. (a) (i) How can the current drive capability be increased while using three terminal
voltage regulators?
(ii) Design an adjustable voltage regulator circuit using LM317 for the
following specifications :
Input dc voltage = l3.5 V
Output DC voltage = 5 to 9 V
Load current (maximum) =1 A [Marks 16]
Or
(b) Describe the working of IC723 voltage regulator and explain the importance of current
limiting techniques. [Marks 16]

EE2204 Data Structures and algorithms Nov/Dec 2010 Question Paper



B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2010
Third Semester
Electrical and Electronics Engineering
EE 2204 — DATA STRUCTURES AND ALGORITHMS
(Common to Electronics and Instrumentation Engineering and Instrumentation and
Control Engineering)
(Regulation 2008)

Time : Three hours                                               Maximum : 100 Marks

Answer ALL questions
PART A — (10 × 2 = 20 Marks)

1. Distinguish between linear and non-linear data structures.
2. Write down the steps to modify a node in linked lists.
3. Define a path in a tree.
4. What is a binary search tree?
5. Define hashing.
6. What is meant by open addressing?
7. What is minimum spanning tree?
8. Define depth-first traversal in a tree.
9. Differentiate ‘‘divide and conquer’’ technique from ‘‘branch and bound’’
technique.
10. Explain dynamic programming.

PART B — (5 × 16 = 80 Marks)

11. (a) Write down and explain the algorithms for basic operations on stack ADT.
Or
(b)Explain polynomial manipulation using linked lists with an example.

12. (a) With suitable examples, explain binary tree traversal algorithms.
Or
(b) Explain the following operations in binary search trees :
(i) Insertion of a node (6)
(ii) Searching a node (5)
(iii) Modification of a node. (5)

13. (a) With suitable examples, explain the basic operations on AVL trees.
Or
(b) Explain the following in hashing :
(i) Folding method (6)
(ii) Division method (5)
(iii) Linear probing. (5)

14. (a) Explain in detail the Dijkstra’s algorithm to solve the shortest path problem.
Or
(b) Discuss in detail the applications of graphs.

15. (a) (i) With an example, explain backtracking. (8)
(ii) Discuss the asymptotic notations. (8)
Or
(b) Write detailed notes on NP-complete problems.

EE2203 Electronic Devices and Circuits April/May 2010 Question Paper




B.E./B.Tech. DEGREE EXAMINATION, APRIL/MAY 2010
Third Semester
Electrical and Electronics Engineering
EE2203 — ELECTRONIC DEVICES AND CIRCUITS
(Regulation 2008)

Time: Three hours                                                   Maximum: 100 Marks

Answer ALL Questions
PART A — (10 × 2 = 20 Marks)

1. What is meant by diffusion current in a semi conductor?
2. A silicon diode has a saturation current of 7.5μ A at room temperature 300°K.
Calculate the saturation current at 400°K.
3. Draw the input and output characteristics of a transistor in CE configuration
and mark the cutoff, saturation and active regions.
4. State the advantages of optocoupler. (Write any four).
5. Compare JFET with BJT.
6. Define amplification factor in JFET.
7. Define CMRR and write its significance in differential amplifiers.
8. List the advantages of negative feedback amplifiers.
9. Sketch the idealized characteristics for the filter types.
(a) Low pass
(b) High pass
(c) Band pass
(d) Band reject filters.
10. Define intrinsic stand off ratio of UJT and draw its equivalent circuit.

PART B — (5 × 16 = 80 Marks)

11. (a) With a neat diagram explain the working of a PN junction diode in forward bias and
reverse bias and show the effect of temperature on its V-I characteristics. (16)
Or
(b) (i) Explain V-I characteristics of Zener diode. (8)
(ii) Draw the circuit diagram and explain the working of full wave bridge rectifier and derive
the expression for average output current and rectification efficiency. (8)

12. (a) (i) Draw the h-parameter equivalent circuit of a transistor in CE configuration. (8)
(ii) Describe the methods of determination of h-parameters from its static Input and output
characteristics. (8)
Or
(b) (i) Explain the important characteristics of optocoupler. (6)
(ii) Explain the switching characteristics of transistor with neat sketch. (10)

13. (a) (i) Explain how the transconductance of a JFET varies with drain current and gate
voltage characteristics and transfer characteristics. (12)
(ii) A JFET has the following parameters IDDS = 32 mA, VGS(off) = -8 Volts, VGS = -4.5
Volts. Find the values of drain current. (4)
Or
(b) (i) Explain the working of n-channel enhancement type MOSFET.
Sketch its typical characteristics. (10)
(ii) Explain the application of FET as a voltage variable resistor. (6)

14. (a) (i) Draw the block diagram of a voltage series feedback amplifier and derive the
equation for input impedance, output impedance and the voltage gain. (10)
(ii) Calculate the voltage gain, input and output resistances of a voltage series feedback
amplifier having AV = 300, Ri = 1.5 k, Ro = 50 k and β = 1/15. (6)
Or
(b) (i) Differentiate oscillator with amplifier. (4)
(ii) Draw the circuit of a Hartley oscillator and derive the condition for the frequency of
oscillation. (12)

15. (a) (i) Describe the operation of UJT and its emitter characteristics. (8)
(ii) Describe the working of a Schmitt trigger circuit with the help of necessary waveforms.
(8)
Or
(b) (i) Sketch the response of RC high pass filter for the following inputs and explain.
(1) Ramp
(2) Pulse. (8)
(ii) Explain the operation of a bistable multi-vibrator circuit with neat sketch. (8)


Anna University Nov/Dec 2012 Revaluation Results Announced

Anna University

Revaluation Results Nov/Dec 2012 & Jan 2013



Anna University Revaluation Results Nov/Dec 2012 Announced


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Anna University 7th Semester Revaluation Results 2013
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Anna University Revaluation Results Nov Dec 2012 for UG
Anna University coimbatore, Trichy, Madurai, Tirunelveli Chennai Revaluation Results 2013





CS2254 Operating Systems 2 Mark Questions


Unit I

1.What is meant by operating systems?
2.How we make a real time projects? Give few examples.
3.Difference between distributed and clustered systems?
4.What is meant by client-server model?
5.When we declare as remote login session.
6. Define FTP vs HTTP.
7. Which systems are called tightly coupled systems.
8. Difference between Batch Systems and Time sharing systems.
9. What is meant by abstract view of system.
10. What is kernel.

Unit II

1. What is meant by IPC?
2. what is meant by semaphores?
3. Define Critical section.
4. What are the requirement that must required for Critical section
algorithms.
5. What are the constraints in Dinning philosopher’s algorithm.
6. What is meant by mutual exclusion.
7. Declare the structure for monitors.
8. Declare the structure for Critical section.
9. List out two methods for synchronous and Asynchronous tasks.
10. What is the use of system call to perfom I/O? Draw diagram.
11. How we protect CPU using hardware address protection.
12. What is the main difference between WAN and LAN.
13. Cache coherency situation.

Unit III

1. What is deadlock?
2. What are the conditions necessary to hold for deadlock occur?
3. JVM.
4. Device drivers and DLM
5. Which buffering capacity referred as automatic buffering.
6. Queuing diagram for process scheduling.
7. What is meant by Threads.& Green threads.
8. How multi threading that improve performance over a single threaded solution.
9. Difference between Preemptive and Non-Premptive.
10. Define Turnaround time, waiting time, response time and throughput.

Unit IV

1. Define Virtual memory.
2. Page fault rate?
3. Write about Thrashing. Exactly when it occurs with diagram.
4. Effective access time in Pager.
5. Define TLB? With diagram.
6. What is meant by External and Internal Fragmentation?
7. Distinguish between Prepaging and Demand Paging.
8. Which algorithm is most effective for Page replacement Policy.
9. What are the concepts behind in Swapping and Paging.
10. Give two more comparison about segmentation and paging with/without Virtual scheme.

Unit V



1. What is meant by OS platform independent?
2. How Linux Process Control made?
3. In Laptop and Mobile, Which OS is utilized?
4. What is meant by Consistency Semantics?
5. What is DNS?
6. Explain about Winsock?
7. Write about Windows2000 File Protection and security services.
8. In Disk Scheduling algorithm Objective?
9. Define Seek time and Bandwidth.
10. Explain LDAP.