- (A) Tds = dE – dW = 0
- (B) dE – dW – Tds = 0
- (C) Tds – dE + dW < 0
- (D) Tds – dT + dW < 0
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- (A) T1/(T1-T2)
- (B) T2/(T1-T2)
- (C) T1/T2
- (D) T2/R1
- (A) 12 P1V1
- (B) 6 P1 V1
- (C) 3 P1V1
- (D) P1 V1
- (A) Temperature
- (B) Specific heat
- (C) Volume
- (D) Pressure
- (A) Work done under adiabatic condition
- (B) Co-efficient of thermal expansion
- (C) Compressibility
- (D) None of these
- (A) Reverse Carnot cycle
- (B) Ordinary vapour-compression cycle
- (C) Vapour-compression process with a reversible expansion engine
- (D) Air refrigeration cycle
- (A) Chemical potential
- (B) Activity
- (C) Fugacity
- (D) Activity co-efficient
- (A) Snow melts into water
- (B) A gas expands spontaneously from high pressure to low pressure
- (C) Water is converted into ice
- (D) Both
- (A) Low pressure and high temperature
- (B) Low pressure and low temperature
- (C) Low temperature and high pressure
- (D) High temperature and high pressure
- (A) (∂T/∂V)S = – (∂P/∂S)V
- (B) (∂S/∂P)T = – (∂V/∂T)P
- (C) (∂V/∂S)P = (∂T/∂P)S
- (D) (∂S/∂V)T = (∂P/∂T)V

