Mechanical Engineering - Thermodynamics

16.
Which of the following is the extensive property of a thermodynamic system?
Pressure
Volume
Temperature
Density
Answer: Option
Explanation:
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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.
Correct
Incorrect
Answer: Option
Explanation:
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18.
One kilowatt is equal to
1 N-m/s
100 N-m
1000 N-m/s
1 x 106 N-m/s
Answer: Option
Explanation:
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19.
Second law of thermodynamics defines
heat
work
internal energy
entropy
Answer: Option
Explanation:
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20.
Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as
Zeroth law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
Kinetic theory of gases
Answer: Option
Explanation:
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