In case of an __________ process, the temperature of the system increases. Adiabatic expansion Isothermal expansion Isothermal compression Adiabatic compression TRUE ANSWER : ? YOUR ANSWER : ?
At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is Negative One Infinity Zero TRUE ANSWER : ? YOUR ANSWER : ?
In a P-V diagram (for an ideal gas), an isothermal curve will coincide withan adiabatic curve (through a point), when Cp ≥ Cv Cp > Cv Cp = Cv Cp < Cv TRUE ANSWER : ? YOUR ANSWER : ?
PVy = constant, holds good for an isentropic process, which is Adiabatic and irreversible Isothermal and irreversible Reversible and adiabatic Reversible and isothermal TRUE ANSWER : ? YOUR ANSWER : ?
When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is More in vapour phase Replaced by chemical potential which is more in vapour phase More in liquid phase Same in both the phases TRUE ANSWER : ? YOUR ANSWER : ?
When a system is in equilibrium for all possible processes, the differential or finite change of entropy is < 0 None of these > 0 = 0 TRUE ANSWER : ? YOUR ANSWER : ?
The change in __________ is equal to the reversible work for compression in steady state flow process under isothermal condition. Gibbs free energy Enthalpy Helmholtz free energy Internal energy TRUE ANSWER : ? YOUR ANSWER : ?
The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for Cooling of a real gas Expansion of a real gas Reversible isothermal volume change Heating of an ideal gas TRUE ANSWER : ? YOUR ANSWER : ?
Melting of ice is an example of an __________ process. Isothermal Isometric Adiabatic None of these TRUE ANSWER : ? YOUR ANSWER : ?