Which of the following behaves most closely like an ideal gas ?
Which of the following behaves most closely like an ideal gas ?
A. He
B. N2
C. O2
D. H2
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Enthalpy of a gas depends upon its___________________?
Enthalpy of a gas depends upon its___________________?A. Temperature
B. Mass
C. Volume
D. PressureEfficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the__________________?
Efficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the__________________?A. Two temperatures only
B. Pressure of working fluid
C. Mass of the working fluid
D. Mass and pressure both of the working fluidAir enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is___________________?
Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is___________________?A. 300 × (32/7)
B. 300 × (33/5)
C. 300 × (333/7)
D. 300 × (35/7)The four properties of a system viz. P, V, T, S are related by ______________ equation?
The four properties of a system viz. P, V, T, S are related by ______________ equation?A. Gibbs-Duhem
B. Gibbs-Helmholtz
C. Maxwell’s
D. None of thesePVy = constant, holds good for an isentropic process, which is_________________?
PVy = constant, holds good for an isentropic process, which is_________________?A. Reversible and isothermal
B. Isothermal and irreversible
C. Reversible and adiabatic
D. Adiabatic and irreversibleVapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a _____________ vapour?
Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a _____________ vapour?A. Superheated
B. Desuperheated
C. Non-condensable
D. None of these