One ton of refrigeration capacity is equivalent to the heat removal rate of____________________?

A. 50 kcal/hr
B. 200 BTU/hr
C. 200 BTU/minute
D. 200 BTU/day

Entropy, which is a measure of the disorder of a system, is__________________?

A. Independent of pressure
B. Independent of temperature
C. Zero at absolute zero temperature for a perfect crystalline substance
D. All A, B. & C

A refrigerator works on the principle of _____________ law of thermodynamics?

A. Zeroth
B. First
C. Second
D. Third

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/T)/∂T]V = – E/T2
C. Both A. and B.
D. Neither A. nor B.