Placement Papers - Voltas

VOLTAS interview questions.

1) First formal question- tell me about yourself?
2) What are your favorite subject?
3) Teach me thermodynamics?
4) What is Enthalpy? How it different for open &close system?
5) Limitation of 1st law of thermodynamics?
6) What is heat pipe?
7) Function of heat exchanger, type of heat exchanger with advantage and disadvantage?
8) Function of refrigerator?different type refrigerant, quality of good refrigerant.
9) Effect of evaporater pressure on refrigerating effect (in terms off increasing/decreasing) ?
10) What is By pass factor&it's physical significance?
11) Mode off heat transfer in Boiler?
12) Why Breyton cycle use in gas turbine not otto cycle?
13) What are the differents type of boiler?
14) What is cavitation?

These are 30 to 40% basic questions from subject's, rest 30 to 40% from respective internship & amp; project's (in detail) then HR question like-from educational background, family back ground, about organization & it's working condition, future plan, interest in free time.