Specific heat of a gas for a reversible adiabatic process is:
A. Negative
B. Zero
C. Infinity
D. None of these
Heat requirement for decomposition of a compound into its elements is _____ that is evolved during the formation of that compound from its elements:
A. The same
B. Less than
C. Greater than
D. Different than
For an ideal gas, the chemical potential is given by:
A. RT d ln P
B. R d ln P
C. R d ln f
D. None of these
The thermodynamic law, PVy = constant, is not applicable in case of:
A. Ideal compression of air
B. Free expansion of an ideal gas
C. Adiabatic expansion of steam in a turbine
D. Adiabatic compression of a perfect gas
If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will:
A. Increase
B. Decrease
C. Remain unaltered
D. Increase or decrease; depends on the particular reaction
After throttling, gas temperature:
A. Decreases
B. Increases
C. Remain same
D. May increase or decrease; depends on the nature of the gas
Co-efficient of performance for a reversed Carnot cycle working between temperatures T1 and T2 (T1 > T2) is:
A. T2/(T1 – T2)
B. T1/(T1 – T2)
C. (T1 – T2)/T1
D. (T1 – T2)/T2
Work done is a:
A. Property of the system
B. Path function
C. Point function
D. State description of a system
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.dT
When pressure is applied on the system, ice ↔ water, then:
A. Equilibrium cannot be established
B. More ice will be formed
C. More water will be formed
D. Evaporation of water will take place
