# Mechanical Engineering - Thermodynamics

### Exercise :: Thermodynamics - Section 6

16.

Which of the following is the extensive property of a thermodynamic system?

 A. Pressure B. Volume C. Temperature D. Density

Explanation:

No answer description available for this question. Let us discuss.

17.

It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source.

 A. Correct B. Incorrect

Explanation:

No answer description available for this question. Let us discuss.

18.

One kilowatt is equal to

 A. 1 N-m/s B. 100 N-m C. 1000 N-m/s D. 1 x 106 N-m/s

Explanation:

No answer description available for this question. Let us discuss.

19.

Second law of thermodynamics defines

 A. heat B. work C. internal energy D. entropy

Explanation:

No answer description available for this question. Let us discuss.

20.

Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as

 A. Zeroth law of thermodynamics B. First law of thermodynamics C. Second law of thermodynamics D. Kinetic theory of gases
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