ME8351 Question Bank MANUFACTURING TECHNOLOGY 1

ME8351 Question Bank MANUFACTURING TECHNOLOGY 1 Regulation 2017 Anna University free download. MANUFACTURING TECHNOLOGY 1 Notes ME8351 pdf free download.

Sample ME8351 Question Bank MANUFACTURING TECHNOLOGY 1:

1. What is the principle of resistance welding?
2. What is the role of fluxes in welding? Or function of flux in welding?
3. List out any four arc welding equipment.
4. What is the principle of Thermit welding?
5. What are the different types of gas flames? How are they formed?
6. Differentiate soldering and brazing . ME8351 Question Bank Manufacturing Technology 1
7. What is the chemical reaction occurs in thermit welding?
8. What are the advantages of carbon arc welding?
9. Differentiate between oxy-acetylene and air-acetylene welding
10. What are the advantages of a.c. arc welding?
11. What is the principle cause of cracks in weld metals?
12. How do you specify an electrode?
13. What is the function of shielding gas in welding?
14. Why laser welding is used only for micro-welding applications?
15. Define resistance welding ME8351 Question Bank Manufacturing Technology 1
16. What is flux? Why is it essential to use it in some welding situations?
17. What are the defects that are generally found in welding?
18. List any four applications of TIG Welding process.
19. Is flux necessary in Brazing process? If yes why?
20. How slag inclusions in welding be avoided?

ME8351 Questions from question paper Manufacturing Technology 1

1. i. Distinguish between gas and arc welding
ii. What are the advantages of welding?
iii. Explain percussion welding
2. i. Describe Electro slag welding
ii. Distinguish between soldering and brazing
3..i. Explain spot welding ME8351 Question Bank Manufacturing Technology 1
ii. Explain submerged are welding
4. i. Explain the electron beam welding process with a neat sketch
ii. Write a brief note on “Welding defects”
5. i. Sketch the three types of Oxy-acetylene flames and state their characteristics and applications. ME8351 Question Bank Manufacturing Technology 1
ii. Describe the electro-slag welding process with a neat sketch.
6. i. What is the principle of resistance welding and explain the seam welding?
ii. Describe plasma arc welding
7. i. What are the different types of electrode? What are the functions of flux coating? ME8351 Question Bank Manufacturing Technology 1
ii. What is the principle of friction welding?
8. i. Describe metal inert Gas arc welding process with a neat sketch.
ii. Briefly explain on butt welding process
9.i. Give a brief account of classification of welding processes?
ii. Explain TIG welding process variables and enumerate its advantages
10. i. Describe shielded metal arc welding process with suitable diagram. What are its applications? ME8351 Question Bank Manufacturing Technology 1
ii. What is the difference between welding, brazing and soldering process?

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CE8394 Question Bank Fluid Mechanics and Machinery

CE8394 Question Bank Fluid Mechanics and Machinery Regulation 2017 Anna University free download. Fluid Mechanics and Machinery Question Bank  CE8394 pdf free download.

Sample CE8394 Question Bank Fluid Mechanics and Machinery:

1. Differentiate between the turbines and pumps.

2. How are Hydraulic turbines classified?

3. Classify turbines according to flow.

4. What are high head turbines? Give examples.

5. Define hydraulic efficiency of a turbine.

6. The mean velocity of the buckets of the Pelton wheel is 10 m/s. The jet supplies CE8394 Question Bank Fluid Mechanics and Machinery
water at 0.7 m3/s at a head of 30 m. The jet is deflected through an angle of 160° by the bucket. Find the hydraulic efficiency. Take Cv = 0.98.

7. Define specific speed.

8. What are the different types of draft tubes?

9. What are the functions of a draft tube?

10. What is a draft tube for Kaplan turbine?

11. Classify turbines according to head.

12. Give an example for a low head turbine, a medium head turbine and a high
head turbine. CE8394 Question Bank Fluid Mechanics and Machinery

13. What are reaction turbines? Give examples.

14. Differentiate the impulse and reaction turbine.

15. Draw velocity triangle diagram for Pelton Wheel turbine.

16. Define Hydraulic efficiency.

17. What is draft tube and explain its function?

18. Define the specific speed of a turbine.

19. What is a Draft tube? In which type of turbine it is mostly used?

20. Describe the application of turbine.

Questions From Question Paper:

1. Give the comparison between impulse and reaction turbine.

2. Write a note on performance curves of turbine.

3. Write a short note on Governing of Turbines.

4. Derive an expression for the efficiency of a draft tube. Question Paper

5. With the help of neat diagram explain the construction and working of a
pelton wheel turbine. CE8394 Question Bank Fluid Mechanics and Machinery

6. Show that the overall efficiency of a hydraulic turbine is the product of
volumetric, hydraulic and mechanical efficiencies.

7. Obtain an expression for the workdone per second by water on the runner of
a Pelton wheel. Hence derive an expression for maximum efficiency of the Pelton
wheel giving the relationship between the jet speed and bucket speed. Question Paper

8. Explain with the help of a diagram, the essential features of a KaplanTurbine.

9. A Francis turbine with an overall efficiency of 76% and hydraulic efficiency of
80% is required to produce 150 kW. It is working under a head of 8 m. The
peripheral velocity is 0.25 √2gH and radial’velocity of flow at inlet is 0.95
√2gH. The wheel runs at 150 rpm. Assuming radial discharge, determine
(i) Flow velocity at outlet
(ii) The wheel angle at inlet
(iii) Diameter and width of the wheel at inlet. CE8394 Question Bank Fluid Mechanics and Machinery

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ME8391 Question Bank ENGINEERING THERMODYNAMICS

ME8391 Question Bank ENGINEERING THERMODYNAMICS Regulation 2017 Anna University free download. ENGINEERING THERMODYNAMICS Question Bank ME8391 pdf free download.

Sample ME8391 Question Bank ENGINEERING THERMODYNAMICS:

2 Mark in Question paper (Part A Questions)

1. What do you understand by pure substance?

2. Define thermodynamic system.

3. Name the different types of system.

4. Define thermodynamic equilibrium.

5. What do you mean by quasi-static process?

6. Define Path function.

7. Define point function. (ME8391 Question Bank ENGINEERING THERMODYNAMICS)

8. Explain homogeneous and heterogeneous system.

9. What is a steady flow process?

10. Prove that for an isolated system, there is no change in internal energy.

11. Indicate the practical application of steady flow energy equation.

12. Explain Mechanical equilibrium. (Question Paper)

13. Explain Chemical equilibrium.

14. Explain Thermal equilibrium.

15. Define Zeroth law of Thermodynamics. (ME8391 Question Bank ENGINEERING THERMODYNAMICS)

16. What are the limitations of first law of thermodynamics?

17. What is perpetual motion machine of first kind?

18. Differentiate between Microscopic and Macroscopic?

19. Differentiate Quasi static and non Quasi static process?

20. Differentiate reversible process and irreversible process? (ME8391 Question Bank ENGINEERING THERMODYNAMICS)

16 Mark in Question paper (Part B Question)

1. a) A rigid tank containing 0.4 m of air at 400 kPa and 30oC is connected by a valve to a piston cylinder device with zero clearance. The mass of the piston is such that a pressure of 200 kPa is required to raise the piston. The valve is opened slightly and air is allowed to flow into the cylinder until the pressure of the tank drops to 200 kPa. During this process, heat is exchanged with the surrounding such that the entire air remains at 30oC at all times. Determine the heat transfer for this process.

b) A reciprocating air compressor taken in 2m3/min air at 0.11MPa, 293K which it delivers at 1.5 Mpa, 384 K to an after cooler where the air where the air is cooled at constant pressure to 298 K. the power absorbed by the compressor is 4.15 kW.Determine the heat transfer in (i) the compressor (ii) the cooler. State your assumptions. (ME8391 Question Bank ENGINEERING THERMODYNAMICS)

2. In a turbo machine handling an incompressible fluid with a density of 1000kg/m3 the conditions of the fluid at the rotor entry and exit are as given below:
1. Inlet Exit Pressure 1.15 MPa 0.05MPa Velocity 30 m/sec 15.5 m/sec
Height above datum 10 m 2m. If the volume flow rate of the fluid is 40 m3/s, estimate the net energy transfer from the fluid as work. (ME8391 Question Bank ENGINEERING THERMODYNAMICS)

3. Three grams of nitrogen gas at 6 atm and 160oC is expanded adiabatically to double its initial volume and then compressed again at constant volume to its initial state. Calculate the work done on the gas. Draw the p-V diagram for the process. Specific heat ratio of nitrogen is 1.4.

4. Describe steady flow energy equation and
 deduce suitable expression for the expansion of gas in a ga turbine with suitable assumptions.
 apply the equation to a nozzle and derive an equation for velocity at exit.
 Derive the suitable expression for the ideal compressor and specify the assumptions onder which such equation is aplicable. (ME8391 Question Bank ENGINEERING THERMODYNAMICS)

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MA8353 Question Paper Transforms and Partial Differential Equations

MA8353 Question Paper Transforms and Partial Differential Equations Regulation 2017 Anna University free download. Transforms and Partial Differential Equations Question Paper MA8353 pdf free download.

Sample MA8353 Question Paper Transforms and Partial Differential Equations:

1. What is the basic difference between the solution of one dimensional wave
equation and one dimensional heat equation?

2. In steady state conditions derive the solution of one dimensional heat flow
equation.

3. What are the possible solutions of one dimensional wave equation? MA8353 Question Paper Transforms and Partial Differential Equations

4. State one dimensional heat equation with the initial and boundary conditions.

5. Write the boundary conditions and initial conditions for solving the vibration of
string equation, if the string is subjected to initial displacement f (x) and initial
velocity g(x).

6. Write down the governing equation of two dimensional steady state heat
conduction.

7. Write down three possible solutions of one dimensional and two dimensional
steady state heat flow equation. MA8353 Question Paper Transforms and Partial Differential Equations

8. A rod 40 cm long with insulated sides has its ends A and B kept
at c  20 and c  60 respectively. Find the steady state temperature at a location 15 cm from A.

9. Form the partial differential equation by eliminating a and b from z  a(x  y)  b MA8353 Question Paper Transforms and Partial Differential Equations

10. Form the partial differential equation by eliminating a and b from ( )( ) 2 2 2 2 z  x  a y  b

11. Form the partial differential equation by eliminating from z  a x  ay  b 2 2

12. Form the partial differential equation by eliminating a and b from 2 2 z  (x  a)  (y  b)

13. Find the singular integral of the PDE 2 2 z  px  qy  p  q

14. Solve (3z  4y)p  (4x  2z)q  (2y  3x)

15. Solve ( ) ( ) ( ) 2 2 2 2 x y  z p  y x  z q  z x  y

16. Solve ( ) ( ) ( ) 2 2 2 2 2 2 x z  y p  y x z q  z y  x

17. Solve x  yz p  y  xz q  z  xy 2 2 2 ( ) ( )

18 .Solve (D 3DD’ 2D’ )z sin x cos y MA8353 Question Paper Transforms and Partial Differential Equations

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Padeepz E-Learning Materials MA8353 Transforms and Partial Differential Equations

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MA8353 Question Bank Transforms and Partial Differential Equations

MA8353 Question Bank Transforms and Partial Differential Equations Regulation 2017 Anna University free download. Transforms and Partial Differential Equations Question Bank MA8353 pdf free download Question Paper.

Sample MA8353 Question Bank Transforms and Partial Differential Equations:

1. Form the partial differential equation by eliminating a and b from z  a(x  y) 

2. Form the partial differential equation by eliminating a and b from ( )( ) 2 2 2 2 z  x  a y  b MA8353 Question Bank Transforms and Partial Differential Equations Question Paper

3. Form the partial differential equation by eliminating from z  a x  ay  b 2 2

4. Form the partial differential equation by eliminating a and b from 2 2 z  (x  a)  (y  b)

5. Find the singular integral of the PDE 2 2 z  px  qy  p  q

6. Solve ( 2 ‘ ‘ ) 0 2 2 D  DDD z 

7. Solve ( 2 ‘ ) 0 3 D  DD z 

8. Solve ( ‘ ) 0 3 D D  MA8353 Question Bank Transforms and Partial Differential Equations Question Paper

9. Solve (D  2D’ )(D  2D’1)z  0

10. Solve (4 4 ‘ ‘ ) 0 2 2 D  DDD z 

11. Find the general solution of 0

12. Find the PI of (D  3DD’2D’ )z  x  y 2 2

13. Find the PI of x y D DD D z e  (  2 ‘ ‘ )  2 2

14. Solve y MA8353 Question Bank Transforms and Partial Differential Equations

1. Form the partial differential equation by eliminating a and b from 2 2 2 2 (x  a)  (y  b)  z  c

2. Form the partial differential equation by eliminating arbitrary functions from
z  xf (2x  y)  g(2x  y)

3. Form the partial differential equation by eliminating arbitrary functions f and  from z  f (x  ct) (x  ct) MA8353 Question Bank Transforms and Partial Differential Equations Question Paper

4. Form the partial differential equation by eliminating arbitrary functions g from
( , ) 0 2 2 2 g x  y  z xyz 

5. Solve (1 ) (1 ) 2 p  q  q  z

6. Solve p(1 q)  qz

7. Solve pq  p  q  0

8. Solve 9( ) 4 2 2 p z  q 

9. Find the complete integral of 2 2 2 2 2 x p  y q  z

10. Solve 2 2 z  px  qy  p q and find the complete and singular solutions

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