For any system, what is the minimum number of degrees of freedom ?
For any system, what is the minimum number of degrees of freedom ?
A. 0
B. 1
C. 2
D. 3
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Pick out the correct equation relating ‘F’ and ‘A’___________________?
Pick out the correct equation relating ‘F’ and ‘A’___________________?A. F = A + PV
B. F = E + A
C. F = A – TS
D. F = A + TSEntropy is a measure of the _____________ of a system?
Entropy is a measure of the _____________ of a system?A. Disorder
B. Orderly behaviour
C. Temperature changes only
D. None of theseFor a constant pressure reversible process, the enthalpy change (ΔH) of the system is___________________?
For a constant pressure reversible process, the enthalpy change (ΔH) of the system is___________________?A. Cv.dT
B. Cp.dT
C. ∫ Cp.dT
D. ∫ Cv.dTA cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is_________________?
A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is_________________?A. 349
B. 651
C. 667
D. 1000Air-refrigeration cycle________________?
Air-refrigeration cycle________________?A. Is the most efficient of all refrigeration cycles
B. Has very low efficiency
C. Requires relatively large quantities of air to achieve a significant amount of refrigeration
D. Both B. and CThe expression, ΔG = nRT. ln(P2/P1), gives the free energy change______________?
The expression, ΔG = nRT. ln(P2/P1), gives the free energy change______________?A. With pressure changes at constant temperature
B. Under reversible isothermal volume change
C. During heating of an ideal gas
D. During cooling of an ideal gas