Category: question bank

EC8501 Question Bank Digital Communication

EC8501 Question Bank Digital Communication Regulation 2017 Anna University free download. Digital Communication Question Bank EC8501 pdf free download.

Sample EC8501 Question Bank Digital Communication

The source of information A generates the symbols {A0, A1, A2, A3& A4} with the corresponding probabilities {0.4, 0.3, 0.15, 0.1 and 0.05}. Evaluate the code for source symbols using Huffman and Shannon-Fano encoder and compare its efficiency.

Draw the block diagram of Digital Communication system and Construct each of it’s components. EC8501 Question Bank Digital Communication

Propose the following with suitable diagrams and equations.
(i) Discrete memoryless source
(ii) Discrete memoryless channel

The source of information A generates the symbols {A0, A1, A2, A3 , A4 , A5} with the corresponding probabilities {0.45, 0.41, 0.4, 0.3 , 0.29 and 0.05}. Evaluate the code for source symbols using Huffman and Shannon-Fano encoder and compare its efficiency. EC8501 Question Bank Digital Communication

(i) Evaluate the structure of linear predictor.
(ii) Assess the process of prediction error.

(i) Summarize adaptive delta modulator with continuously variable step size and explain with block diagram. EC8501 Question Bank Digital Communication
(ii) Explain the difference between PCM systems and delta modulation systems.

(i) How would you explain delta modulation and its quantization error?
(ii) Explain how adaptive delta modulation performs better than gains more SNR than delta modulation. EC8501 Question Bank Digital Communication

Describe delta modulation system in detail with a neat block diagram. Also illustrate two forms of quantization error in delta modulation.

Subject name	Digital Communication
Short Name	DC
Semester	5
Subject Code	EC8501
Regulation	2017 regulation

EC8501 Question Bank Digital Communication Click Here To Download

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EE8591 Question Bank Digital Signal Processing

EE8591 Question Bank Digital Signal Processing Regulation 2017 Anna University free download. Digital Signal Processing Question Bank EE8591 pdf free download.

Sample EE8591 Question Bank Digital Signal Processing:

(i) Determine if the signals, x1(n) and x2(n) are power, energy or neither energy nor power signals.
x1(n)=(1/3)nu(n) and x2(n)=e4nu(n)
(ii) Discuss about quantization effects while digitizing analog signals for processing. EE8591 Question Bank Digital Signal Processing

(i) x(t)=sinc(50πt) is sampled at a rate of (1)20Hz(2)50Hz
and (3)75Hz. For each of these cases, explain if you can recover the signal x(t) from the samples signal.
(ii) State and prove the sampling theorem.

(i) Explain the following with respect to discrete-time system
(1) Stability
(2) Casuality
(ii) Check for following systems are static, casuality and time invariant
(1) y(n)=x(-n+5)
(2) y(n)=x(n)+nx(n+2)
(3) y(n)=x2(n) EE8591 Question Bank Digital Signal Processing

(i) Illustrate the condition of the system to be causal and linearity. Check the same for the given system y(n)=x(n)+[1/{x(n-1)}]
(ii) Check the time invariant and stability of the given system y(n)=cos x(n)

Explain the classifications of continuous time signals with its mathematical representation

(i) Distinguish the following with examples and formulae.
(1) energy vs power signal
(2) time variant vs time invariant signal. EE8591 Question Bank Digital Signal Processing
(ii) What is system? Explain the classification of systems with an examples

(i) Determine the values of power and energy of the given signal x(n)=sin{(Π/4)-n}
(ii) Explain the types of signals with its mathematical

Subject name	Digital Signal Processing
Short Name	DSP
Semester	5
Subject Code	EE8591
Regulation	2017 regulation

EE8591 Question Bank Digital Signal Processing Click Here To Download

EE8591 Digital Signal Processing Syllabus

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EE8552 Question Bank Power Electronics

EE8552 Question Bank Power Electronics Regulation 2017 Anna University free download. Power Electronics Question Bank EE8552 pdf free download.

Sample EE8552 Question Bank Power Electronics:

Design the switching model, equivalent circuit and switching waveforms and times of MOSFET. (15)

Design a suitable driver circuit for MOSFET which is used a switching device in AC to DC conversion circuit. (15)

Design the switching model, equivalent circuit and switching waveforms and times of IGBT. (15) EE8552 Question Bank Power Electronics

Design a suitable driver circuit and snubber circuit for SCR which is used a switching device in AC to DC conversion circuit.

Describe the UJT triggering circuit with neat sketch. (13)

(i) Discuss the different modes of operation of thyristor
with the help of its static V-I characteristics. (7) EE8552 Question Bank Power Electronics
(ii) Discuss why TRIAC is rarely operated in I quadrant with –ve gate current and in III quadrant with +ve gate current. (6)

(i) Snubber circuit for an SCR should primarily consist of capacitor only. But in practice a resistor is used in series with the capacitor, Why-Discuss. (7) EE8552 Question Bank Power Electronics
(ii) Discuss the turn off characteristics of SCR and explain
the mechanism of turn OFF. (6)

Summarize the various types of commutation circuits for SCR

(i) Explain the steady state and switching characteristics of MOSFET with aid of diagrams. (7) EE8552 Question Bank Power Electronics
(ii)Demonstrate the working of a complementary commutation. (6)

Examine the basic structure of IGBT and Explain its working .Give its equivalent circuit and explain the turn ON and turn OFF processes. (13)

(i) Explain and draw steady state and switching characteristics of SCR. (7)
(ii) With a neat diagram explain how the snubber circuit protects the MOSFET. (6) EE8552 Question Bank Power Electronics

(i) Analyze the constructional details of an SCR. Sketch its
schematic diagram and explain its operation. (7)
(ii) Explain turn-ON and turn-OFF characteristics of SCR. (6)

(i) Analyze the various types of power diodes. (7)
(ii) Explain and draw steady state and switching characteristics of SCR. (6) EE8552 Question Bank Power Electronics

Explain the principle of operation and characteristics of GTO

Design a suitable snubber circuit for BJT which is used as a
switching device in AC to DC conversion circuit.

Subject name	POWER ELECTRONICS
Short Name	PE
Semester	5
Subject Code	EE8552
Regulation	2017 regulation

EE8552 Question Bank POWER ELECTRONICS Click Here To Download

EE8552 POWER ELECTRONICS Syllabus

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EE8552 POWER ELECTRONICS Notes

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EE8552 POWER ELECTRONICS Question Paper

EE8551 Question Bank Microprocessors and Microcontrollers

EE8551 Question Bank Microprocessors and Microcontrollers Regulation 2017 Anna University free download. Microprocessors and Microcontrollers Question Bank EE8551 pdf free download.

Sample EE8551 Question Bank Microprocessors and Microcontrollers

(i)Define the vectored interrupts in 8051 microcontroller. (7)
(ii) Define the different addressing modes of 8051 microcontroller. (6)

Discuss with a neat block diagram the architecture of 8051 microcontroller. (13)

Define the I/O ports and their functions of 8051 microcontroller. (13) EE8551 Question Bank Microprocessors and Microcontrollers Regulation 2017 Anna University

(i)Draw and discuss the TMOD register format and explain the different operating modes of timer in 8051 microcontroller. (7)
(ii)Discuss how serial communication is performed in 8051 microcontroller. (6)

(i)Explain how the internal timers are used to generate time delay by using 8051 microcontroller. (7) EE8551 Question Bank Microprocessors and Microcontrollers Regulation 2017 Anna University
(ii)Explain program memory interfacing in 8051 microcontroller. (6)

Explain the pin outs of 8051 microcontroller. (13)

(i)Show the data memory structure of 8051 microcontroller and explain.
(7)
(ii)Illustrate with block diagram how to access external memory devices in an 8051 based system. (6)

(i)Briefly discuss about interrupts used in 8051 microcontroller. (7)
(ii)Discuss about the organization of internal RAM and special function registers of 8051 microcontroller in detail. (6) EE8551 Question Bank Microprocessors and Microcontrollers Regulation 2017 Anna University

(i)Describe in detail the different methods of memory address decoding in 8051. (7)
(ii)Describe the operation of stack in 8051. (6)

With suitable block diagram, explain the architecture of 8051 microcontroller. Also explain the function of each block. (13)

(i)Explain Timing diagram interrupt structure of 8051 in detail. (7) (ii)Explain the program and data memory structure of 8051 microcontroller. (6)

Define the Timers of 8051 microcontroller with relevant diagrams.(13) EE8551 Question Bank Microprocessors and Microcontrollers Regulation 2017 Anna University

Subject name	Microprocessors and Microcontrollers
Short Name	MAM
Semester	5
Subject Code	EE8551
Regulation	2017 regulation

EE8551 Question Bank Microprocessors and Microcontrollers Click Here To Download

EE8551 Microprocessors and Microcontrollers Syllabus

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EE8551 Microprocessors and Microcontrollers Notes

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EE8551 Microprocessors and Microcontrollers Important Questions

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EE8551 Microprocessors and Microcontrollers Question Paper

EE8501 Question Bank POWER SYSTEM ANALYSIS

EE8501 Question Bank Power System Analysis Regulation 2017 Anna University free download. Power System Analysis Question Bank EE8501 pdf free download.

Sample EE8501 Question Bank Power System Analysis:

1 What is the information that are obtained from a load flow study
2 What is the need for slack bus in power flow analysis
3 When will the generator bus is treated as load bus EE8501 Question Bank Power System Analysis
4 Extend the acceleration factor in Gauss Seidal Method
5 Prepare the advantages and disadvantages of Gauss Seidal method
6 What is the need for load flow analysis EE8501 Question Bank Power System Analysis
7 Associate with load flow studies are important for planning the
existing system as well as the future expansion
8 When the generator bus treated as load bus in NR load flow study?
What will be the reactive power and bus voltage when the generator
bus is treated as load bus.
9 Show the general power flow equation  EE8501 Question Bank Power System Analysis
10 What is swing bus
11 Compare GSM and NRM with respect to number of iterations taken for convergence and memory requirement
12 Discuss the effect of acceleration factor in the load flow solution
algorithm
13 What are the disadvantage NR method  EE8501 Question Bank Power System Analysis
14 What are the advantage FDLF method
15 Compare GS and NR method.
16 Explain what do you mean by flat voltage start
17 Mentioned the various types of buses in power system with specified quantitates for each bus
18 Mentioned the various types of buses in power system with specified
quantitates for each bus
19 What is jocobian matrix  EE8501 Question Bank Power System Analysis
20 Define voltage-controlled bus and load bus

Subject name	POWER SYSTEM ANALYSIS
Short Name	PSA
Semester	5
Subject Code	EE8501
Regulation	2017 regulation

EE8501 Question Bank POWER SYSTEM ANALYSIS Click Here To Download

EE8501 POWER SYSTEM ANALYSIS Syllabus

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ME8594 Question Bank Dynamics Of Machines

ME8594 Question Bank Dynamics Of Machines Regulation 2017 Anna University free download. Dynamics Of Machines Question Bank ME8594 pdf free download.

Sample ME8594 Question Bank Dynamics Of Machines:

What is free body diagram?

Define static force analysis.

State D’Alembert’s principle.

Define applied and constraint forces. ME8594 Question Bank Dynamics Of Machines

Differentiate between static force analysis and dynamic force analysis.

Define shaking force.

Define inertia torque.

List of force acting on the reciprocating engine.

State the principle of superposition.

Define piston effort. ME8594 Question Bank Dynamics Of Machines

Explain crank effort and crank-pin effort.

What is the turning moment diagram or crank effort diagram.

Explain the term maximum fluctuation of energy in fly wheel.

Define coefficient of fluctuation of energy.

Define coefficient of fluctuation of speed.

Define coefficient of steadiness. ME8594 Question Bank Dynamics Of Machines

What is the purpose of flywheel? How do you differentiate the function ofgovernor in engine with flywheel?

What is cam dynamics?

Define unbalance and spring surge. ME8594 Question Bank Dynamics Of Machines

A shaft fitted with a flywheel rotates at 250 r.p.m. and drives a machine. The torque of machine varies in a cyclic manner over a period of 3 revolutions. The torque rises from 750 N-m to 3000 Nm uniformly during 1/2 revolution and remains constant for the following revolution. It then falls uniformly to 750 N-m during the next 1/2 revolution and remains constant for one revolution, the cycle being repeated thereafter. Determine the power required to drive the machine and percentage fluctuation in speed, if the driving torque applied to the shaft is constant and the mass of the flywheel is 500 kg with radius of gyration of 600mm (15)

Subject name	DYNAMICS OF MACHINES
Short Name	DOM
Semester	5
Subject Code	ME8594
Regulation	2017 regulation

ME8594 Question Bank DYNAMICS OF MACHINES Click Here To Download

ME8594 DYNAMICS OF MACHINES Syllabus

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ME8594 DYNAMICS OF MACHINES Notes

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ME8594 DYNAMICS OF MACHINES Question Paper

ME8501 Question Bank METROLOGY AND MEASUREMENTS

ME8501 Question Bank METROLOGY AND MEASUREMENTS Regulation 2017 Anna University free download. METROLOGY AND MEASUREMENTS Question Bank ME8501 pdf free download.

Sample ME8501 Question Bank METROLOGY AND MEASUREMENTS:

What are the various elements of metrology? With examples, explain how these elements influence the accuracy of measurements. (13)

Explain the need of standards of measurements in the modern industrial system and describe the term traceability in connection with standards. (13) ME8501 Question Bank Metrology And Measurements

Explain the classification of various measuring methods. (13)

Give the structure of generalised measurements system and explain in detail. (13)

(a) Illustrate the desirable characteristics of precision measuring instruments (8) ME8501 Question Bank Metrology And Measurements
(b) Discuss about the fundamental and derived units in details. (5)

Describe briefly about, (a) Uncertainty (b) Reporting results (13)

(a)With suitable example explain the difference between precision and accuracy. (8)
(b) Give an example for the Zero order system. (5)

Distinguish between and give appropriate examples in each case, a) Repeatability and Reproducibility
(b) Systematic and random error
(c) Static and dynamic Response

Obtain the expression for the step response of a second order system. (13) ME8501 Question Bank Metrology And Measurements

Describe briefly about,
(a) sensitivity and readability (8)
(b) Calibration.What is the need of calibration? Explain the classifications of various standards. (13)

Explain the various errors in measurements. (13)

What are the various possible sources of errors in measurements? Explain in detail. (13)

Briefly explain the various types of input signals.

Subject name	METROLOGY AND MEASUREMENTS
Short Name	MAM
Semester	5
Subject Code	ME8501
Regulation	2017 regulation

ME8501 Question Bank METROLOGY AND MEASUREMENTS Click Here To Download

ME8501 METROLOGY AND MEASUREMENTS Syllabus

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ME8501 METROLOGY AND MEASUREMENTS Notes

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ME8501 METROLOGY AND MEASUREMENTS Important Questions

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ME8501 METROLOGY AND MEASUREMENTS Question Paper

ME8593 Question Bank DESIGN OF MACHINE ELEMENTS

ME8593 Question Bank DESIGN OF MACHINE ELEMENTS Regulation 2017 Anna University free download. DESIGN OF MACHINE ELEMENTS Question Bank ME8593 pdf free download.

Sample ME8593 Question Bank DESIGN OF MACHINE ELEMENTS:

A steel solid shaft transmitting 15kW at 200 rpm is supported on two bearing 750 mm apart and has two gears keyed to it. The pinion having 30 teeth of 5mm module is located 100 mm to the left of the right hand bearing and delivers power horizontally to the right. The gear having 100 teeth of 5mm module is located 150mm to the right of the left hand bearing and receives the power in vertical direction below. Using an allowable stress of 54MPa in shear, determine the diameter of the shaft. ME8593 Question Bank Design Of Machine Elements

A hollow shaft of 0.5m outside diameter and 0.3m inside diameter is used to drive a propeller of a marine vessel. The shaft is mounted on bearings 6m apart and it transmits 5600kW at 150 rpm. The maximum axial propeller shaft is 500kN and the shaft weighs 70kN.Determine ME8593 Question Bank Design Of Machine Elements
(i).The maximum shear stress developed in the shaft
(ii).The angular twist between the bearings. (13)

A section of commercial shafting 2m long between bearings carries a 1000N pulley at its midpoint as shown in fig. The pulley is keyed to the shaft and receives 30 KW at 150 rev/min which is transmitted to a flexible coupling just outside the right bearing. the belt drive is horizontal and some of the belt tensions is 8000 N. Assume Kt = Kb = 1.5. Calculate the necessary shaft diameter and determine the angle of twist between bearings. G=80 GN/m2. ME8593 Question Bank Design Of Machine Elements

Subject name	DESIGN OF MACHINE ELEMENTS
Short Name	DME
Semester	5
Subject Code	ME8593
Regulation	2017 regulation

ME8593 Question Bank DESIGN OF MACHINE ELEMENTS Click Here To Download

ME8593 DESIGN OF MACHINE ELEMENTS Syllabus

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ME8593 DESIGN OF MACHINE ELEMENTS Notes

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ME8593 DESIGN OF MACHINE ELEMENTS Question Paper

ME8595 Question Bank THERMAL ENGINEERING II

ME8595 Question Bank THERMAL ENGINEERING II Regulation 2017 Anna University free download. THERMAL ENGINEERING II Question Bank ME8595 pdf free download.

Sample ME8595 Question Bank THERMAL ENGINEERING II

Dry saturated steam at a pressure of 8 bar enters a convergent divergent nozzle and leaves it at a pressure of 1.5 bar. If the flow is isentropic and if the corresponding expansion index is 1.33, find the ratio of cross-sectional area at exit and throat for maximum discharge. ME8595 Question Bank THERMAL ENGINEERING II

Air at a pressure of 20 bar and at a temperature of 18°C is supplied to a convergent divergent nozzle having a throat diameter of 1.25 cm and discharging to atmosphere. The adiabatic index for air is 1.4 and the characteristic constant is 287. Find the weight of air discharged per minute. ME8595 Question Bank Thermal Engineering II

Derive an expression for maximum discharge through convergent divergent nozzle for steam.

Steam enters a group of CD nozzles at 21 bars and 270℃. The discharge pressure of the nozzle is 0.07 bars. The expansion is equilibrium throughout and the loss of friction in convergent portion of the nozzle is negligible, but the loss by friction in the divergent section of the nozzle is equivalent to 10% of the enthalpy drop available in that section. Calculate the throat and exit area to discharge 14 kg/sec of steam. ME8595 Question Bank THERMAL ENGINEERING II

Steam initially dry and saturated is expanded in a nozzle from 15 bar 300°C at 1 bar. if the friction loss in the nozzle is 12% of the total head drop calculate the mass of steam discharged when exit diameter of the nozzle is 15 mm.

(a) Define critical pressure ratio of a nozzle and discuss why attainment of sonic velocity determines the maximum mass rate of flow through steam nozzle. ME8595 Question Bank THERMAL ENGINEERING II

(b) Air enters a frictionless adiabatic converging nozzle at 10 bar 500 K with negligible velocity. The nozzle discharges to a region at 2 bar. If the exit area of the nozzle is 2.5 cm2, find the flow rate of air through the nozzle. Assume for air Cp = 1005 J/kg K and Cv= 718 J/kg K. ME8595 Question Bank Thermal Engineering II

Subject name	THERMAL ENGINEERING 2
Short Name	TE 2
Semester	5
Subject Code	ME8595
Regulation	2017 regulation

ME8595 Question Bank THERMAL ENGINEERING II Click Here To Download

ME8595 THERMAL ENGINEERING 2 Syllabus

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ME8595 THERMAL ENGINEERING 2 Notes

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ME8595 THERMAL ENGINEERING 2 Important Questions

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ME8595 THERMAL ENGINEERING 2 Question Bank

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ME8595 THERMAL ENGINEERING 2 Question Paper

CE8591 Question Bank FOUNDATION ENGINEERING

CE8591 Question Bank FOUNDATION ENGINEERING Regulation 2017 Anna University free download. FOUNDATION ENGINEERING Question Bank CE8591 pdf free download.

Sample CE8591 Question Bank FOUNDATION ENGINEERING

1. What is shallow foundation?
2. What are the factors to be considered while designing the foundation?
3. Define Bearing capacity and Ultimate bearing capacity.
4. Define Net ultimate bearing capacity and Net safe bearing capacity. CE8591 Question Bank Foundation Engineering
5. Define Safe bearing capacity and Allowable bearing pressure.
6. Explain ultimate bearing capacity with the help of load settlement curve.
7. State the different modes of shear failure.
8. In what way the local shear failure differs from General shear failure.
9. How the effective dimensions can be calculated in an eccentrically loaded footing? CE8591 Question Bank Foundation Engineering
10. What are the Assumptions made in Terzaghi’s Analysis?
11. State the Limitations of Terzaghi’s Analysis.
12. State the factors affecting Bearing capacity.
13. What is the correlation between C.P.T. and S.P.T. values?
14. Define Settlement
15. What are components of settlement
16. Define Co-efficient of settlement
17. Define Immediate Settlement (Si)
18. Define primary consolidation CE8591 Question Bank Foundation Engineering
19. Define Secondary compression settlement
20. Define seat of settlement.
21. State the corrections to be made for the Settlement due to Consolidation
22. State the corrections made for the observed SPT values.
23. State the factors affecting Bearing capacity.
24. State Permissible Settlement as per IS code. CE8591 Question Bank Foundation Engineering
25. State the seismic considerations in shallow foundation.

1. What are the IS code recommendations for the location and depth of foundation?
2. Explain the different modes of failure of foundation soil.
3. Explain the procedures for the SPT, SCPT and Plate load test.
4. What is settlement? What are the components of settlement? Distinguish between
them?

Subject name	FOUNDATION ENGINEERING
Short Name	FE
Semester	5
Subject Code	CE8591
Regulation	2017 regulation

CE8591 Question Bank FOUNDATION ENGINEERING Click Here To Download

CE8591 FOUNDATION ENGINEERING Syllabus

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CE8591 FOUNDATION ENGINEERING Notes

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CE8591 FOUNDATION ENGINEERING Important Questions

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CE8591 FOUNDATION ENGINEERING Question Paper