Monday, January 16, 2017

INTRODUCTION TO MECHANICAL ENGINEERING MOST IMPORTANT QUESTIONS PART 1





INTRODUCTION TO MECHANICAL ENGINEERING 


MOST IMPORTANT QUESTIONS


Module 1

1. State Zeroth law of thermodynamics. What is its significance?



2. State 1st law of thermodynamics. What is Internal energy?


3. State 2nd law of thermodynamics. What is its significance?


4. State Kelvin-Plank statement.


5. State Clausius statement.


6. Explain Carnot cycle with the help of PV and Ts diagrams.


7. Explain any 3 renewable sources of power.




Module 2

1. Explain the working of Steam Impulse turbine (De Laval) with a neat sketch.


2. Explain the working of Steam Reaction turbine (Parson’s) with a neat sketch.


3. Explain the working of Hydraulic Impulse turbine (Pelton) with a neat sketch.


4. Explain the working of Hydraulic Reaction turbine (Francis) with a neat sketch.


5. Explain the working of Reciprocating Air Compressor with a neat sketch.


6. Explain the working of Centrifugal Air Compressor with a neat sketch.


7. Explain the working of 4 stroke Petrol & Diesel engine.


8. Explain the working of 2 stroke Petrol & Diesel engine.


9. Explain different types of Gas turbines.




Module 3

1. Explain the working of refrigeration system used in ships (Vapour absorption refrigeration system) with a neat sketch.


2. Explain the working of refrigeration system used in automobiles (Vapour compression refrigeration system) with a neat sketch.


3. Explain the working of household refrigerator with a neat sketch.


4. Explain different applications of refrigeration in various sectors of daily life.


5. Explain the working of Window Air Conditioner.


6. What is mean by Comfort air conditioning?




Module 4

1. Explain major components of an automobile with a neat sketch.


2. With the help of a figure, explain the working of a clutch used in a two wheeler (single plate clutch).


3. With the help of a figure, explain the working of drum brake used in automobiles.


4. List different types of engines used aircrafts, with its application.


5. With the help of a figure, explain the working of Turbojet engine.


6. With the help of a figure, explain the working of Turboprop engine.


Module 5

1. Explain different mechanical properties of materials.


2. Explain different types of materials used in engineering application.


3. What is mean by Crystallography? Explain different crystal structures with neat sketches.


4. Explain different destructive testing methods used to measure the mechanical properties.


5. Explain different non-destructive testing methods.




Module 6

1. What is mean by CNC? List its advantages and limitations.


2. With the help of a neat sketch, explain Shielded Metal Arc Welding.


3. Explain different Milling operations with sketches.


4. Explain different Drilling operations with sketches.


5. Explain Soldering and Brazing.


6. With a neat sketch, explain the steps involved in sand casting.


7. What is mean by Rolling process? Compare hot rolling and cold rolling methods.Explain different types of rolling mills.


8. Explain different types of forging operations.



9. Explain Direct extrusion and indirect extrusion with neat sketches.


10. Explain any two taper turning methods with suitable sketches.


11. What is Up-Milling and Down Milling?


12. Explain the turning operation done in a lathe.


13. Which are the different pattern materials used in casting process? List the advantages and limitations of each.




Load disqus comments

0 comments

Follow us on Facebook
Powered by: KTU Online