A. 3
B. 1
C. 2
D. 0
✅ The correct answer is option B.
Thermodynamics MCQs
Claude’s liquefaction process employs the cooling of gases by
A. Expansion in an engine
B. Following a constant pressure cycle
C. Throttling
D. None of these
✅ The correct answer is option A.
The internal energy of an ideal gas is a function of its __________ only.
A. Molecular size
B. Volume
C. Pressure
D. Temperature
✅ The correct answer is option D.
In any spontaneous process,
A. Only F decreases
B. Only A decreases
C. Both F and A decreases
D. Both F and A increase
✅ The correct answer is option C.
Which of the following identities can be most easily used to verify steam table data for superheated steam.
A. (∂T/∂V)S = (∂p/∂S)V
B. (∂T/∂P)S = (∂V/∂S)P
C. (∂P/∂T)V = (∂S/∂V)T
D. (∂V/∂T)P = -(∂S/∂P)T
✅ The correct answer is option D.
One ton of refrigeration capacity is equivalent to the heat removal rate of
A. 50 k cal/hr
B. 200 BTU/hr
C. 200 BTU/minute
D. 200 BTU/day
✅ The correct answer is option C.
Which of the following behaves most closely like an ideal gas?
A. He
B. N₂
C. O₂
D. H₂
✅ The correct answer is option A.
Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature of the gas )
A. T
B. √T
C. T²
D. 1/√T
✅ The correct answer is option A.
The work done in an adiabatic change in a particular gas depends upon changes in the __________ only.
A. Temperature
B. Specific heat
C. Volume
D. Pressure
✅ The correct answer is option A.
A system is said to be isopiestic, if there is no __________ change.
A. Temperature
B. Pressure
C. Volume
D. None of these
✅ The correct answer is option B.