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)

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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

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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

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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)

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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

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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

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ME8493 Question Bank Thermal Engineering 1

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

Sample ME8493 Question Bank Thermal Engineering 1:

1.
Define Air Standard Efficiency.
BT-1
Remembering ME8493 Question Bank Thermal Engineering 1
2.
Draw Brayton cycle in TS and PV planes.
BT-3
Applying
3.
Complete the Otto cycle process by its P-V and T-S planes and name all the processes.
BT-3
Applying
4.
What are the assumptions made in Air Standard Cycles?
BT-1
Remembering
5.
Write down the major differences between Otto and Diesel Cycle.
BT-2
Understanding
6.
Define mean Effective Pressure. Show that on p-v diagram.
BT-2
Understanding ME8493 Question Bank Thermal Engineering 1
7.
When compression ratio is kept constant, what is the effect of cut-off ratio on the efficiency of diesel cycle?
BT-3
Applying
8.
In an Otto cycle, compression ratio is 9. Estimate the air standard cycle efficiency.
BT-5
Evaluating ME8493 Question Bank Thermal Engineering 1
9.
Derive expression for mean effective pressure for diesel cycle?
BT-4
Analysing
10.
Point out the Diesel cycle on P-V and T-S planes and mention the four thermodynamic processes involved.
BT-3
Applying
11.
Consider a Diesel engine has a compression ratio of 14 and cut-off takes place at 6% of the stroke. Find the air standard efficiency.
BT-5
Evaluating ME8493 Question Bank Thermal Engineering 1
12.
Define Mean Effective Pressure?
BT-1
Remembering
13.
Describe with neat sketches of p-v and T-s dual cycle?
BT-3
Applying ME8493 Question Bank Thermal Engineering 1
14.
Name the factors that affect the air standard efficiency of diesel cycle.
BT-1
Remembering
15.
Define the terms compression ratio and cut-off ratio.
BT-1
Remembering
16.
Predict the effect of cut-off ratio on the efficiency of diesel cycle when the compression ratio is kept constant?
BT-2
Understanding ME8493 Question Bank Thermal Engineering 1
17.
For the same compression ratio and heat supplied, Identify the order of decreasing air standard efficiency of Otto, Diesel and Dual cycles.
BT-1
Remembering
18.
Express the Brayton cycle (Limited pressure cycle) on P-V and T-S planes and mention the various processes.
BT-2
Understanding
19.
A Carnot cycle works between the temperatures 300K and 700K. Calculate the maximum work possible per Kg of air.
BT-3
Applying ME8493 Question Bank Thermal Engineering 1
20.
Compare diesel and Dual cycle.

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ME8492 Question Paper Kinematics Of Machinery

ME8492 Question Paper Kinematics Of Machinery Regulation 2017 Anna University free download. Kinematics Of Machinery Question Paper ME8492 pdf free download.

Sample Question from ME8492 Question Paper Kinematics Of Machinery:

1. A cam is to give the following motion to a knife edged follower: (a) Outstroke during 60° of cam rotation (ME8492 Question Paper Kinematics Of Machinery)
(b) Dwell for the next 45° of cam rotation
(c) Return stroke during next 90° of cam rotation and
(d) Dwell for the remaining of cam rotation ME8492 Question Paper Kinematics Of Machinery
The stroke of the follower is 40 mm and the minimum radius of the cam is 50 mm. The follower moves with uniform velocity during both the outstroke and return strokes. Draw the profile of the cam when (a) the axis of the follower passes through the axis of the cam shaft, and (b) the axis of the follower is offset by 20 mm from the axis of the cam shaft. (ME8492 Question Paper Kinematics Of Machinery)

2. Draw the profile of a cam operating a Knife-edged follower from the following data: (ME8492 Question Paper Kinematics Of Machinery)
(a) Follower to move outward through 40 mm during 60° of a cam rotation; (b) Follower to dwell for the next 45° (c) Follower to return its original position during next 90° (d)Follower to dwell for the rest of cam rotation. The displacement of the follower is to take place with simple harmonic motion during both the outward and return strokes. The least radius of the cam is 50mm. If the cam rotates at 300 r.p.m., determine the maximum velocity and acceleration of the follower during the outward stroke and return stroke. (16) (ME8492 Question Paper Kinematics Of Machinery)

3. A cam, with a minimum radius of 50 mm, rotating clockwise at a uniform speed, is required to giver a knife-edged follower the motion as described below: (a) To move outwards through 40 mm during 100° rotation of the cam; (b) to dwell for next 80° (c) To return to its starting position during next 90 ° and (d) To dwell for the rest period of revolution. Draw the profile of the cam (i) When the line of stroke of the follower passes through the centre of the cam shaft and (ii) When the line of stroke of the follower is to take place with Uniform acceleration and uniform retardation. Determine the maximum velocity and acceleration of the follower when the cam shaft rotates at 900 r.p.m. (16) (ME8492 Question Paper Kinematics Of Machinery)

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ME8492 Question Bank Kinematics Of Machinery

ME8492 Question Bank Kinematics Of Machinery Regulation 2017 Anna University free download. Kinematics Of Machinery Question Bank ME8492 pdf free download.

Sample ME8492 Question Bank Kinematics Of Machinery:

1. What is kinematic analysis?
2. What is displacement?
3. What is vector?
4. Write down the different types of motion.
5. What is Rectilinear motion? ME8492 Question Bank Kinematics Of Machinery
6. What is Curvilinear motion & Circular motion?
7. Define Kennedy’s theorem.
8. What is the difference between velocity and speed/
9. What are the different methods are used for finding the velocity?
10. Write the different types of graphical method.
11. What is configuration diagram? ME8492 Question Bank Kinematics Of Machinery
12. What is acceleration & deceleration?
13. What is centrode& space centrode?
14. What is meant by coincident points?
15. What is is angular velocity ratio theorem?
16. What are properties of instantaneous centre?
17. What is Body centrode?
18. What is Instantaneous axis?
19. What is axode? ME8492 Question Bank Kinematics Of Machinery
20. Write down the different types of Instantaneous centres.

1. The Crank of a slider crank mechanisms rotates clockwise at a Constant speed of 600 r.p.m. The crank is 125 mm and connecting rod is 500 mm long. Determine 1. Linear velocity and acceleration of the mid Point of the connecting rod, and 2. Angular velocity and angular acceleration of the connecting rod, at a crank angle of 45° from inner dead centre position.
2. In a four link mechanism, the dimensions of the links are AB=200 mm, BC=400mm, CD=450 mm and AD=600mm. At the instant when DAB=90°, the link AB has angular velocity of
36 rad/s in the clockwise direction. Determine (i) The velocity of point C, (ii) The velocity of point E on the link BC When BE =200 mm (iii) the angular velocities of links BC and CD, iv) acceleration of link of link BC. ME8492 Question Bank Kinematics Of Machinery

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ME8491 Engineering Metallurgy Question Paper

ME8491 Engineering Metallurgy Question Paper Regulation 2017 Anna University free download. Engineering Metallurgy Question Paper ME8491 pdf free download.

Sample Question for ME8491 Engineering Metallurgy Question Paper:

1. What is the effect of chromium alloying element on the properties of steel?
2. What is cast iron?
3. What is HSLA? ME8491 Engineering Metallurgy Question Paper
4. What are advantages of alloy steels over plain carbon steels?
5. Discuss the general effects of alloying elements in steel.
6. Specify the effect of nickel on the properties of steel. ME8491 Engineering Metallurgy Question Paper
7. What advantages are derived by using a combination of nickel and chromium in steel?
8. What are the principal alloying elements in triple alloy steel?
9. How is silicon useful as an alloying element in steel?
10. For what purpose is tungsten used in steel? ME8491 Engineering Metallurgy Question Paper
11. What are stainless steels? Why are these steels stainless?
12. What type of stainless steels is referred to as ferritic stainless steels?
13. What are tool steels? Classify them.
14. List the bearing materials that are commonly used?
15. What is meant by precipitation hardening?
16. What is duralumin?
17. Give composition and applications of duralumin?
18. List at least four types of brasses used. ME8491 Engineering Metallurgy Question Paper
19. List some bronze alloys.
20. How can you classify tool steels?

1. Write short note on compositions and properties of the following stainless steels, ME8491 Engineering Metallurgy Question Paper
(a) Ferritic stainless steel
(b) Austenitic stainless steel
(c) Martensitic stainless steel
(d) Precipitation hardening stainless steel
2. State the types, compositions and properties of high speed steel.
3. Discuss Hadfield and Mar aging steels on the following lines
(a) Chemical composition
(b) Heat treatment
(c) Mechanical properties
(d) Applications
4. Explain the various methods to achieve high strength in HSLA steels.
5. Explain Bearing alloys. ME8491 Engineering Metallurgy Question Paper
6. Explain Tool steels.
7. Name different alloys of copper. Give its composition, properties and uses.
8. Explain Mar aging steels.
9. Explain Stainless steels, High speed steels.
10. Explain, bearing metals, Explain brasses

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