In Joule-Thomson porous plug experiment, the__________________? A. Enthalpy does not remain constant B. Entire apparatus is exposed to surroundings C. Temperature remains constantD. None of these

There is a change in ______________ during the phase transition? A. Volume B. Pressure C. Temperature D. All a, b & c

Cv is given by__________________? A. (∂E/∂T)V B. (∂E/∂V)T C. (∂E/∂P)V D. (∂V/∂T)P

The equation relating E, P, V and T which is true for all substances under all conditions is given by (∂E/∂V)T = T(∂P/∂T)H – P. This equation is called the ___________________? A. Maxwell’s equationB. Thermodynamic equation of state C. Equation…

A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA as shown below in the P-V diagram. The net work done during the complete cycle is given by the area…

Gibbs free energy (G) is represented by, G = H – TS, whereas Helmholtz free energy, A. is given by, A = E – TS. Which of the following is the Gibbs-Helmholtz equation ? A. [∂(G/T)/∂T] = – (H/T2) B.…

A refrigerator works on the principle of _____________ law of thermodynamics? A. Zeroth B. FirstC. Second D. Third

Entropy, which is a measure of the disorder of a system, is__________________? A. Independent of pressure B. Independent of temperatureC. Zero at absolute zero temperature for a perfect crystalline substance D. All A, B. & C

One ton of refrigeration capacity is equivalent to the heat removal rate of____________________? A. 50 kcal/hr B. 200 BTU/hrC. 200 BTU/minute D. 200 BTU/day

Which of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system ? A. Expansion valve B. Condenser C. RefrigeratorD. Compressor