10020 ஆ ॥॥॥॥॥

Module - II

12. Explain with neat sketch the working of a petrol engine that produces power ina
single revolution.

13. With neat sketch explain the working of centrifugal air compressor.

14. Differentiate between air motors, blowers and compressors.

Module - Ill

15. Whatare the two types of refrigeration systems ? How they differ between each
other in terms of the working principle ?

16. Differentiate between summer and winter air conditioning.

17. Sketch the different processes in a psychometric chart and discuss.

Module - ۷
18. Discuss the classification of 0 Engines.
19. Explain about MPFI, CRDI and Hybrid engines.

20. What are the different types of drives used for power transmission in an IC
engine and compare between them ?

PART-C
Answerany 2 questions from each Module.
Each question carries 7 marks.
Module-V
21. Write down the procedure for developing a mould for a component.
22. Discuss any two metal joining process.

23. Name five alloys and their applications.