Question Bank: Important Short Questions

II. Answer the following in one or two sentences:

1. Defines the terms: External Combustion Engine and Internal Combustion Engine.

 2. How do you classify the internal combustion (I.C.) engine?

3. What is Otto Cycle?

4. What is mean by gudgeon pin?

 5. Mention the functions of fly wheel in engines.

6. Comment on 'Clearance Volume'.

7. What is meant by scavenging in two stroke engines?

8.Define Compression Ratio of an I.C. engine.

 9. What is the function of deflector in a two stroke engine?

10. What is the function of carburetor?

 11. Name the parts of fuel pump.

12. What is the function of the choke in a carburetor?

13. What is meant by carburetion?

14. Explain the role of float, float chamber and needle valve assembly in single jet carburetor.

 15. State any two limitations of a single jet carburetor.

16. How do you provide an extra-rich mixture to the petrol engine during starting in cold weather?

17. What is the function of choke in the carburetor?

18. Name the three ports provided at the cylinder walls in a two stroke engine.

19. Why is diesel engine called as compression ignition engine?

20. How do the three ports in a two stroke engine function

21. What is the function of a spark plug?

22. State any two advantages of LPG as SI engine fuel.