A. Less
B. More
C. Same
D. More or less depending upon the extent of work done
Related Mcqs:
- On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal line at point A. Then at a point A, the slope of the reversible adiabatic line (∂P/∂V)s and the slope of the reversible isothermal line (∂P/∂V)T are related as (where, y = Cp/Cv) ?
A. (∂P/∂V)S = (∂P/∂V)T
B. (∂P/∂V)S = [(∂P/∂V)T]Y
C. (∂P/∂V)S = y(∂P/∂V)T
D. (∂P/∂V)S = 1/y(∂P/∂V)T - The change in __________ is equal to the reversible work for compression in steady state flow process under isothermal condition?
A. Internal energy
B. Enthalpy
C. Gibbs free energy
D. Helmholtz free energy - What is the ratio of adiabatic compressibility to isothermal compressibility ?
A. 1
B. < 1
C. > 1
D. >> 1 - The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is____________________?
A. 0
B. +ve
C. -ve
D. ∞ - In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through a point), when___________________?
A. Cp < Cv
B. Cp = Cv
C. Cp > Cv
D. C ≥ Cv - Work done in an adiabatic process between two states depends on the__________________?
A. Rate of heat transmission
B. Initial state only
C. End states only
D. None of these - 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 expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible _____________ process?
A. Isobaric
B. Isothermal
C. Adiabatic
D. None of these - For an isothermal reversible compression of an ideal gas_______________?
A. Only ΔE = 0
B. Only ΔH =0
C. ΔE = ΔH = 0
D. dQ = dE - Adiabatic compression of a saturated water vapour makes it ____________________ ?
A. Supersaturated
B. Superheated
C. Both A. and B
D. Neither A. nor B
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