A. Temperature
B. Pressure
C. Volume
D. Entropy
✅ The correct answer is option B.
Thermodynamics MCQs
Isentropic process means a constant __________ process.
A. Enthalpy
B. Pressure
C. Entropy
D. None of these
✅ The correct answer is option C.
The equation relating E, P, V and T which is true for all substanes under all conditions is given by (∂E/∂V)T = T.(∂P/∂T)H – P . This equation is called the
A. Maxwell
B. Thermodynamic equation of state
C. Equation of state
D. Redlich-Kwong equation of state
✅ The correct answer is option B.
For an isothermal reversible compression of an ideal gas
A. Only ΔE = 0
B. Only ΔH =0
C. ΔE = ΔH = 0
D. DQ = dE
✅ The correct answer is option C.
With increase in pressure (above atmospheric pressure), the Cp of a gas
A. Increases
B. Decreases
C. Remains unchanged
D. First decreases and then increases
✅ The correct answer is option A.