Related Questions

The entropy __________ in an irreversible cyclic process.
A Remains constant
B Decreases
C Increases
D None of these
The increase in entropy of a system represents
A Increase in availability of energy
B Increase in temperature
C Decrease in pressure
D Degradation of energy
Increase in the entropy of a system represents the
A Degradation of energy
B Decrease in system pressure
C Increase in the availability of energy
D Increase in the temperature
Exposure to __________ accelarates the degradation of plastics.
A Ultraviolet radiation
B High atmospheric temperature
C High ambient temperature
D Damp atmosphere
The area under the temperature-entropy curve (T - s curve) of any thermodynamic process represents
A Heat absorbed
B Heat rejected
C Either (A) or (B)
D None of these
Entropy change for an irreversible process taking system and surrounding together is
A 0
B > 0
C None of these
For reversible adiabatic process, change in entropy is
A Maximum
B Minimum
C Zero
D Negative
The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents
A Heat absorbed
B Heat rejected
C Either heat absorbed or heat rejected
D None of these
The entropy change for a spontaneous process is
A > 0 for the system
B > 0 for the system & the surrounding
Entropy change in case of reversible adiabatic process is
A Minimum
B Zero
C Maximum
D Indeterminate

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