1.
According to Kelvin-Planck statement, it is impossible to construct a device operating on a cycle which transfers heat from ____
2.
Thermal efficiency of S.I. engines is low, due to ____
3.
Pump transfers input mechanical energy of an engine, into ______
4.
Which of the following protects penstock due to sudden variation of flow or velocity of water?
5.
One ton of refrigeration is equal to ______
6.
What is the function of a moderator?
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