The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner is known as
A) enthalpy
B) internal energy
C) entropy
D) external energy
Correct Answer:
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Q10: If the temperature of the source is
Q11: The efficiency of an ideal Carnot engine
Q12: In a reversible cycle, the entropy of
Q13: Kelvin-Plank's law deals with
A)conservation of energy
B)conservation of
Q14: Which of the following statements is correct
Q16: The entropy may be expressed as a
Q17: The change of entropy when heat is
Q18: Which of the following statements is correct?
A)the
Q19: In an irreversible process, there is a
A)loss
Q20: The efficiency of the Carnot cycle may
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