IC8451 Question Bank Control Systems

IC8451 Question Bank Control Systems Regulation 2017 Anna University free download. Control Systems Question Bank IC8451 pdf free download.

Sample IC8451 Question Bank Control Systems

1. List the advantages of closed loop system over open loop system. BTL 1 Remembering
2. Define the terms (i) Physical Model (ii) Mathematical Model. BTL 1 Remembering IC8451 Question Bank Control Systems
3. What are the basic elements in control systems? BTL 1 Remembering
4. Define transfer function. Give an example for it. BTL 1 Remembering
5. What are the basic elements used for modeling mechanical translational
system?
BTL 1 Remembering
6. List the basic elements for modeling in mechanical rotational system. BTL 1 Remembering IC8451 Question Bank Control Systems
7. Distinguish the terms sink and source. BTL 2 Understanding
8. Discuss any 2- applications of synchro. BTL 2 Understanding
9. Describe the characteristics of negative feedback in control systems. BTL 2 Understanding
10. Discuss the terms (i) Signal Flow Graph (ii) Non-touching loop. BTL 2 Understanding
11. Illustrate the terms (i) Block Diagram Reduction (ii) Mason;s Signal Flow
Graph Method. IC8451 Question Bank Control Systems
BTL 3 Applying
12. Draw the electrical analog of a thermometer with neat diagram. BTL 3 Applying
13. Illustrate the terms (i) Path (ii) Forward Path (iii) Loop (iv) Non-touching
Loop.
BTL 3 Applying
14. Compare Signal Flow Graph approach with block diagram reduction
technique of determining transfer function.
BTL 4 Analyzing IC8451 Question Bank Control Systems
15. Define open loop and closed loop system. BTL 4 Analyzing
16. Analyze the need of electrical zero position of a synchro transmitter. BTL 4 Analyzing
17. Explain the aligned position of a Synchro transmitter and synchro receiver. BTL 5 Evaluating
18. Can we use servomotor for position control? Support the answer with
necessary details.
BTL 5 Evaluating IC8451 Question Bank Control Systems
19. Create the expression for Masons gain formula to find the system transfer

Subject name	Control Systems
Short Name	CS
Semester	4
Subject Code	IC8451
Regulation	2017 regulation

IC8451 Control Systems Question Bank Click Here To Download

 IC8451 Control Systems Syllabus

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EE8451 Question Paper Linear Integrated Circuits and Applications

EE8451 Question Paper Linear Integrated Circuits and Applications LIC Regulation 2017 Anna University free download. LIC Linear Integrated Circuits and Applications Question Paper EE8451 pdf free download.

Sample EE8451 Question Paper Linear Integrated Circuits and Applications LIC:

1. Why is Vco called voltage to frequency converter? (N/D-12)
2. In an astable multi-vibrator using IC 555 timer, RA = 6.8 kΩ, RB = 3.3 kΩ, C=0.1 μF,
calculate the free running frequency. (N/D-12) EE8451 Question Paper Linear Integrated Circuits and Applications LIC
3. List out any four applications of IC 555 timer. (M/J-12)
4. Draw the pin diagram of IC 555 timer. (M/J-10)
5. What are the basic blocks in a PLL IC? (M/J-10) EE8451 Question Paper Linear Integrated Circuits and Applications LIC
6. Define – Lock Range of a PLL (M/J-09, M/J-13)
7. Write any two applications of VCO (Voltage controlled Oscillator). (M/J-11)
8. List out the features of IC 555 timer. (N/D-09)
9. Write the applications of an analog multiplier. (N/D-08)
10. Define – Pull-in Time EE8451 Question Paper Linear Integrated Circuits and Applications LIC

1. Explain the functional diagram of the IC 555 timer in the astable mode. Derive the
expression for its frequency. (N/D-12)(16)
2. Explain with a schematic diagram, how PLL can be used as,
a) Frequency multiplier
b) Frequency translator (N/D-12) (16) EE8451 Question Paper Linear Integrated Circuits and Applications LIC
3. Explain the two basic modes in which 555 timer operate. Also list out the features of
555 timers. (M/J-10) (16)
4. Explain the operation of 566 VCO IC with its schematic diagram. Derive an expression for
the output frequency. (M/J-11) (16) EE8451 Question Paper Linear Integrated Circuits and Applications LIC
5. (i) Design an astable multi-vibrator having a duty cycle of 40 % with a frequency of 1 kHz
using a 555 timer. (N/D-08) (10)
(ii) Write short notes on analog multipliers. (N/D-08) (6) EE8451 Question Paper Linear Integrated Circuits and Applications LIC
6. Explain the functional block diagram of PLL IC 565. (N/D08) (16)
7. Explain the working of a monostable multi-vibrator using a 555 timer.

Subject name	Linear Integrated Circuits and Applications
Short Name	LIC
Semester	4
Subject Code	EE8451
Regulation	2017 regulation

EE8451 Linear Integrated Circuits and Applications Question Paper Click Here To Download

 EE8451 Linear Integrated Circuits and Applications Syllabus

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EE8451 Linear Integrated Circuits and Applications Question Bank

 

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EE8451 LIC Question Paper

EE8451 Question Bank Linear Integrated Circuits and Applications

EE8451 Question Bank Linear Integrated Circuits and Applications LIC Regulation 2017 Anna University free download. LIC Linear Integrated Circuits and Applications Question Bank EE8451 pdf free download.

Sample EE8451 Question Bank Linear Integrated Circuits and Applications LIC:

1. List out any four characteristics of an ideal op-amp. (A/M-10)
2. Design an amplifier with a gain of 10 and input resistance of 10 kΩ. (A/M 2010)
3. What are the different kinds of packages of IC741? (A/M-11)
4. What is meant by thermal drift? (N/D-11)
5. Define – Input Offset Voltage (N/D-11) EE8451 Question Bank Linear Integrated Circuits and Applications LIC
6. What is the input impedance of a non-inverting amplifier? (M/J-13)
7. Define – Slew Rate
8. Define – Common Mode Rejection Ratio (CMRR) of an op-amp
9. Draw the pin configuration of IC741. EE8451 Question Bank Linear Integrated Circuits and Applications LIC
10. What are the DC characteristics of op-amp?
11. What are the AC characteristics of op-amp?
12. What are the features of IC 741? EE8451 Question Bank Linear Integrated Circuits and Applications LIC

PART B EE8451 Question Bank Linear Integrated Circuits and Applications LIC Regulation 2017 Anna University

1. Explain the frequency response of an op-amp. Write the frequency compensation techniques
adopted in operational amplifiers. (A/M-11) (16) EE8451 Question Bank Linear Integrated Circuits and Applications LIC
2. Explain in detail, the DC characteristics of operational amplifier with the help of neat
diagrams. (N/D-11, M/J-13) (16)
3. Explain in detail, the operation of summer and differentiator using operational amplifier
with circuit diagrams. (N/D-11) (16) EE8451 Question Bank Linear Integrated Circuits and Applications LIC
4. Explain in detail, the characteristics of ideal op-amp and obtain the practical op-amp
equivalent circuit. (M/J-13) (16) EE8451 Question Bank Linear Integrated Circuits and Applications LIC
5. Explain in detail, the types of feedback configurations available with neat diagrams. (N/D-10) (16) EE8451 Question Bank Linear Integrated Circuits and Applications LIC
6. Explain the function of the basic building blocks of op-amp. (A/M-10) (8)
7. Explain the application of op- amp as:
a) Integrator
b) Differentiator (A/M-10) (16) EE8451 Question Bank Linear Integrated Circuits and Applications LIC
8. Explain summing amplifier with example. (N/D-10) (8)
9. Explain in detail, the AC characteristics of op-amp.

Subject name	Linear Integrated Circuits and Applications
Short Name	LIC
Semester	4
Subject Code	EE8451
Regulation	2017 regulation

EE8451 Linear Integrated Circuits and Applications Question Bank Click Here To Download

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EE8403 Question Paper Measurements And Instrumentation

EE8403 Question Paper Measurements And Instrumentation Regulation 2017 Anna University free download. Measurements And Instrumentation Question Paper EE8403 pdf free download.

Sample EE8403 Question Paper Measurements And Instrumentation:

1. Draw Maxwell’s AC bridge and give the balance equation interms of resistance. (2)
2. Explain any two technical parameters to be consider in grounding. (2)
3. Give some applications of Wheatstone’s bridge. (2)
4. What is a potentiometer? (2) EE8403 Question Paper Measurements And Instrumentation
5. List the applications of dc and ac potentiometer. (2)
6. Differentiate the principle of dc potentiometer and ac potentiometer. (2)
7. What is meant by transformer Ratio Bridge? (2) EE8403 Question Paper Measurements And Instrumentation
8. What are the features of ratio transformer? List its applications. (2)
9. What is meant by electromagnetic interference? (2)
10. List the sources of electromagnetic interference. (2)
11. What are the ways of minimizing the electromagnetic interference? (2)
12. Define electromagnetic compatibility. (EMC) (2) EE8403 Question Paper Measurements And Instrumentation
13. What are the main causes of group loop currents? (2)
14. What are the limitations of single point grounding method? (2)
15. What is the necessity of grounding and state is advantages. (2)
16. What is meant by ground loop? How it is created? (2) EE8403 Question Paper Measurements And Instrumentation
17. What are the sources of errors in bridge measurement? (2)
18. Define standardization. (2)
19. Give the relationship between the bridge balance equation of DC bridge and AC bridge (2)
20. What does a bridge circuit consists of? (2) EE8403 Question Paper Measurements And Instrumentation

PART – B

1. Explain in detail about the laboratory type DC potentiometer. (16)
2. Describe about the multiple earth and earth loops. (16)
3. Explain voltage sensitive self balancing bridge, and derive the bridge sensitivity of voltage sensitive bridge with fundamentals. (16) EE8403 Question Paper Measurements And Instrumentation
4. With fundamentals distinguish between DC and AC potentiometers, and give any two specific applications for each. (16)
5. Discuss the advantages and limitations of electromagnetic interference in
measurements. (16)
6. Explain Kelvin’s double bridge method for the measurement of low resistance. (16)
7. Explain how inductance in measured by using Maxwell’s bridge. (16)
8. Explain the working principle of Anderson’s bridge and also derive its balance equations. (16)
9. Explain the working principle of Schering bridge and also derive its balance equations.(16) EE8403 Question Paper Measurements And Instrumentation
10. (i) Give the applications of AC potentiometers. (8)
(ii) Explain the different techniques of grounding. (8)

Subject name	Measurements And Instrumentation
Short Name	MI
Semester	4
Subject Code	EE8403
Regulation	2017 regulation

EE8403 Measurements And Instrumentation Question Paper Click Here To Download

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EE8403 Measurements And Instrumentation Question Bank

EE8403 Question Bank Measurements And Instrumentation

EE8403 Question Bank Measurements And Instrumentation Regulation 2017 Anna University free download. Measurements And Instrumentation Question Bank EE8403 pdf free download.

Sample EE8403 Question Bank Measurements And Instrumentation:

1. State the principle of digital voltmeter. (2)
2. Give the importance of iron loss measurement. (2)
3. List two instruments for measurement of frequency. (2)
4. Write the function of instrument transformer. (2) EE8403 Question Bank measurements and instrumentation
5. Brief the principle of digital phase meter. (2)
6. Write any two advantages and disadvantages of digital voltmeter. (2)
7. Explain the purpose of Schmitt trigger in digital frequency meter. (2)
8. Which torque is absent in energy meter? Why? (2) EE8403 Question Bank measurements and instrumentation
9. What are the errors that take place in moving iron instrument? (2)
10. Explain the principle of analog type electrical instruments. (2)
11. How a PMMC meter can be used as voltmeter and ammeter? (2)
12. What is loading effect? (2) EE8403 Question Bank measurements and instrumentation
13. State the basic principle of moving iron instrument. (2)
14. Why an ammeter should have a low resistance? (2)
15. Define the sensitivity of a moving coil meter. (2)
16. What are the precautions taken while using a DC voltmeter and DC Ammeter? (2) EE8403 Question Bank measurements and instrumentation
17. What is the use of Multimeter? Write its advantages and disadvantages. (2)
18. Voltmeter has high resistance, why it is connected in series? (2)
19. What is an energy meter? Mention some advantages and disadvantages of energy
meter. (2) EE8403 Question Bank measurements and instrumentation
20. What is meant by creep adjustment in three phase energy meter? (2)

PART – B EE8403 Question Bank measurements and instrumentation

1. (i) Describe the construction and working of a permanent magnetic moving coil
instruments. (10)
(ii) Explain the design of three phase wattmeters and give the reactive power
measurement in 3 phase circuits. (6)
2. (i) How B-H curve is determined for a ring specimen. (8)
(ii) Explain the frequency measurement in Wien’s bridge (8)
3. Discuss why it is necessary to carry out frequency domain analysis of measurement  Systems? What are the two plots obtained when the frequency response of a system is carried out? (16) EE8403 Question Bank measurements and instrumentation
4. Explain the function of three phase wattmeter and energy meter. (16)
5. (i) Sketch the circuit and waveforms for ac voltmeter using a PMMC
Instrument and half wave rectifier. Explain the circuit operation. (10)
(ii) Develop the torque equation for a PMMC instrument and show its scale is linear (6)
6. (i) Discuss in detail the working of the successive approximation DVM.(8)
(ii) With a neat diagram, explain the various methods of magnetic measurements. (8)
7. (i) Explain with a neat sketch the construction and working principle of single-phase induction type energy meter. (10) EE8403 Question Bank measurements and instrumentation
(ii) How the range of d.c ammeter and d.c voltmeter can be extended?
Derive the expressions to calculate shunt resistance and multiplier resistance. (6)
8. (i) With a neat diagram explain the construction and working of electrodynamometer
type instruments. Also derive its torque equation. (10)

Subject name	Measurements And Instrumentation
Short Name	MI
Semester	4
Subject Code	EE8403
Regulation	2017 regulation

EE8403 Measurements And Instrumentation Question Bank Click Here To Download

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EE8403 Measurements And Instrumentation Question Paper

EE8402 Question Paper Transmission and Distribution

EE8402 Question Paper Transmission and Distribution Regulation 2017 Anna University free download. Transmission and Distribution Question Paper EE8402 pdf free download.

Sample EE8402 Question Paper Transmission and Distribution:

1. Classify overhead transmission lines.
2. Define transmission efficiency.
3. What is a transmission line?
4. List out the common methods of representation of medium transmission lines.
5. Define regulation of power transmission line.
6. What is tuned power line? EE8402 Question Paper Transmission and Distribution
7. What is surge impedance loading or natural loading?
8. What are the voltages regulating equipments used in transmission systems?
9. What is attenuation in a power transmission line?

4. i) Derive an expression for the capacitance between conductors of a Single phase overhead line. (8) ii) Find the capacitance between the conductors of a single-phase 10 km long line. The diameter of each conductor is 1.213cm. The spacing between conductors is 1.25m. Also find the capacitance of each conductor neutral. (8) EE8402 Question Paper Transmission and Distribution
5. i) Derive the expression for inductance of a two wire 1Φ transmission line (8) ii) Derive the expression for capacitance of a 1Φ transmission line (8)
6. i) What are the advantages of bundled conductors? (4) ii) Derive the expression for capacitance of a double circuit line for hexagonal spacing. (8) iii) Why is the concept of self GMD is not applicable for capacitance? (4)
7. i) Explain clearly the skin effect and the proximity effects when referred to overhead lines. (8) ii) Write a short note on the inductive interference between power and communication lines. (8) EE8402 Question Paper Transmission and Distribution
8. i) Derive the expression for the capacitance per phase of the 3 Φ double circuit line flat vertical spacing with transposition. (8) ii) A 3 Φ overhead transmission line has its conductors arranged at the corners of an equilateral triangle of 2m side. Calculate the capacitance of each line conductor per km. Given the diameter of each conductor is 1.25cm. (8) EE8402 Question Paper Transmission and Distribution

 

Subject name	TRANSMISSION AND DISTRIBUTION
Short Name	TD
Semester	4
Subject Code	EE8402
Regulation	2017 regulation

EE8402 Transmission and Distribution Question Paper Click Here To Download

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EE8402 Transmission and Distribution Question Bank

EE8402 Question Bank Transmission and Distribution

EE8402 Question Bank Transmission and Distribution Regulation 2017 Anna University free download. Transmission and Distribution Question Bank EE8402 pdf free download.

Sample EE8402 Question Bank Transmission and Distribution:

1. Define Skin effect.
2. What is meant by proximity effect?
3. Differentiate the stranded conductor and bundled conductor.
4. List out the advantages of double circuit lines.
5. Define – Self and mutual – G.M.D. EE8402 Question Bank Transmission and Distribution
6. What is meant by inductive interference?
7. What is transposition of conductors?
8. What is ACSR conductor?
9. What is fictitious conductor radius?
10. Define unsymmetrical and symmetrical spacing.
11.What is meant by corona discharge? EE8402 Question Bank Transmission and Distribution
12.Why skin effect is absent in dc system?
13.On what factors skin effect depends?
14.What is a bundle conductor?What are its advantages?
15.What are composite conductors? What are the main disadvantages of corona?
16.What is local corona? What are the methods adopted to reduce corona? EE8402 Question Bank Transmission and Distribution
17.Define inductance of a line. Mention the factors governing inductance of a line.
18.What is the necessity of a double circuit line?
19. Write an expression for inductance of a single phase transmission system.
20. Define corona and critical disruptive voltage. EE8402 Question Bank Transmission and Distribution

PART-B (16 marks) EE8402 Question Bank Transmission and Distribution

1. (i)From the fundamentals derive an expression for inductance of a single phase transmission system. (8) (ii) Write short notes on corona discharges(8)
2. Derive an expression for capacitances of a single phase transmission system and discuss the effect of earth on capacitance with suitable equation. (16)
3. Derive an expression for inductance i) Of a single-phase overhead line. (8) ii) A conductor is composed of seven identical copper strands each having a radius r. Find the self-GMD of the conductor. (8) EE8402 QB Transmission and Distribution

Subject name	TRANSMISSION AND DISTRIBUTION
Short Name	TD
Semester	4
Subject Code	EE8402
Regulation	2017 regulation

EE8402 Transmission and Distribution Question Bank Click Here To Download

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EE8402 Transmission and Distribution Question Paper

EE8401 Question Paper ELECTRICAL MACHINES 2

EE8401 Question Paper Electrical Machines 2 Regulation 2017 Anna University free download. Electrical Machines 2 Question Paper EE8401 pdf free download.

Sample EE8401 Question Paper Electrical Machines 2:

1. (i) Define armature reaction and explain the effect of
armature r e a c t i o n on different power factor loads
of synchronous generators. (6) BTL 1 Remember
(ii) Derive the E . M . F . Equation of an alternator. EE8401 Question Paper Electrical Machines 2
2. (D7e)scribe a method of determining direct and quadrature
axis reactance of salient pole alternator. (13) BTL 1 Remember
3. (i) Explain with Phasor diagrams, the capability curve of
synchronous generator. (6)
BTL 4 Analyze EE8401 Question Paper Electrical Machines 2
(ii) A 3 Phase, 8 Pole, 750 rpm Star connected alternator as
72 slots on the armature. Each slot as 12 conductors and
winding is short chorded by 2 slots. The flux per pole
0.06Wb. Find induced EMF between Lines. (7) EE8401 Question Paper Electrical Machines 2
4. (i) A 3Phase star connected salient pole synchronous
generator id driven at a speed near synchronous with field
circuit open, the stator is supplied from balanced 3 Phase
supply. Voltmeter connected across the line gave minimum
and maximum readings of 2800 Volts and 2820 Volts. The
Line current fluctuated between 360A and 275A. Find the
direct and quadrature axis reactance per phase. Neglect
armature resistance. (5)
BTL 1 Remember EE8401 Question Paper Electrical Machines 2
(ii) Examine the given 50kVA, Y-connected, 440V, 3-
phase, 50Hz alternator, has the effective armature
resistance is 0.25Ω/phase. The synchronous reactance
is 3.2Ω/phase and leakage reactance is 0.5Ω/phase.
Determine at rated load at unity p owe r factor: a)
Internal E.M.F. Ea b) no load E.M.F. Eo c) percentage
regulation on full load d) value of synchronous reactance
which replaces armature reaction. (8) EE8401 Question Paper Electrical Machines 2
5. Describe the parallel operation of three phase alternators
with help of a neat diagram. (13) BTL 1 Remember
6. (i) Sketch and explain the open-circuit and short-circuit
characteristics of synchronous machines. (5)
BTL 4 Analyze EE8401 Question Paper Electrical Machines 2
(ii) Define the terms synchronous reactance and voltage
regulation of alternator. Explain synchronous impedance
method for determining regulation of an alternator. (8)

Subject name	Electrical Machines 2
Short Name	EM 2
Semester	4
Subject Code	EE8401
Regulation	2017 regulation

EE8401 Electrical Machines 2 Question Paper Click Here To Download

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EE8401 Question Bank ELECTRICAL MACHINES 2

EE8401 Question Bank Electrical Machines 2 Regulation 2017 Anna University free download. Electrical Machines 2 Question Bank EE8401 pdf free download.

Sample EE8401 Question Bank Electrical Machines 2:

1. Name the two types of large synchronous generator from
their appearance.
BTL 1 Remember EE8401 Question Bank Electrical Machines 2
2. Distinguish between the use of salient pole and round
rotor synchronous machines.
BTL 2 Understand
3. Demonstrate why is the field system of an alternator
made as a rotor?
BTL 3 Apply EE8401 Question Bank Electrical Machines 2
4. Differentiate between transient and sub-transient reactance BTL 4 Analyze
5. Describe distribution factor Kd. BTL 1 Remember
6. Summarize winding factors of an alternator. BTL 5 Evaluate
7. Explain the role of damper winding in synchronous
generator.
BTL 5 Evaluate EE8401 Question Bank Electrical Machines 2
8. A 3MVA, 6 Pole, 50Hz alternator is supplying full load at
0.8 power factor lagging. Calculate the synchronizing
torque per mechanical degree of displacement if the
synchronizing power for 3 phases is 722.56 kW.
BTL 3 Apply
9. Point out the necessity for short chording the
armature winding of synchronous machines.
BTL 4 Analyze EE8401 Question Bank Electrical Machines 2
10. Formulate the EMF equation of an alternator. BTL 6 Create
11. Summarize the essential elements for generating emf in
alternators.
BTL 2 Understand
12. Develop synchronous impedance equation of an
alternator.
BTL 6 Create EE8401 Question Bank Electrical Machines 2
13. Tell, what is meant by armature reaction in an alternator? BTL 1 Remember
14. Express what is meant by alternator on infinite bus-bars?

15. Demonstrate t h e c o n d i t i o n s t o b e s a t i s f i e d f o r
p a r a l l e l operation of alternators.
BTL 3 Apply
16. Define synchronizing torque. BTL 1 Remember
17. Explain the necessity of chording in the armature winding of
synchronous machines. EE8401 Question Bank Electrical Machines 2
BTL 4 Analyze
18. Define voltage regulation. BTL 1 Remember
19. List the various methods to determine the voltage

Subject name	Electrical Machines 2
Short Name	EM 2
Semester	4
Subject Code	EE8401
Regulation	2017 regulation

EE8401 Electrical Machines 2 Question Bank Click Here To Download

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ME8493 Question Paper Thermal Engineering 1

ME8493 Question paper Thermal Engineering 1 Regulation 2017 Anna University free download. Thermal Engineering 1 Question paper ME8493 pdf free download.

Sample Question from ME8493 Question Paper Thermal Engineering 1:

1. An engine working on ideal Otto cycle has temperature and pressure, at the beginning of isentropic compression as 25˚C and 1.5 bar respectively. Find the compression ratio, if γ = 1.4 and thermal efficiency of the engine = 48%. Also find temperature and pressure at the end of compression.
BT-6 ME8493 Question paper Thermal Engineering 1
Creating

2. A diesel engine operating on the air-standard Diesel cycle has six cylinders of 100 mm bore and 120 mm stroke. The engine speed is 1800 rpm. At the beginning of compression the pressure and temperature of air are 1.030bar and 35˚C. If the clearance volume is 1/8th of the stroke volume, calculate (i) the pressure and temperature at the salient points of the cycle (ii) the compression ratio (iii) the efficiency of the cycle and (iv) the power output if the air is heated to 1500˚C. Assume Cp and Cv of air to be 1.004 and 0.717 kJ / kg K respectively.
BT-2 ME8493 Question paper Thermal Engineering 1
Understanding

3. For an engine working on the ideal Dual cycle, the compression ratio is 10 and the maximum pressure is limited to 70 bar. If the heat supplied is 1680 kJ/kg, find the pressure and temperatures at the various salient points ofthe cycle and the cycle efficiency. The pressure and temperature of air at the commencement of compression are 1 bar and 100˚C respectively. Assume Cp=1.004 kJ/kg K and Cv= 0.717 kJ/kg K for air. ME8493 Question paper Thermal Engineering 1

4. The compression ratio of an engine is 10 and the temperature and pressure at the start of compression is 37˚C and 1 bar. The compression and expansion processes are both isentropic and the heat is rejected at exhaust at constant volume. The amount of heat added during the cycle is 2730 kJ/kg. Determine the mean effective pressure and thermal efficiency of the cycle if (i) the maximum pressure is limited to 70 bar and heat is added at both constant volume and constant pressure and (ii) if all the heat is added at constant volume. In this case how much additional work per kg of charge would be obtained if it were possible to expand isentropically the exhaust gases to their original pressure of 1 bar? Assume that the charge has the same physical properties as that of air. ME8493 Question paper Thermal Engineering 1

 

Subject name	Thermal Engineering 1
Short Name	TE 1
Semester	4
Subject Code	ME8493
Regulation	2017 regulation

ME8493 Thermal Engineering 1 Question Paper Click Here To Download

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