Isothermal

Adiabatic

Isentropic

None of these

**The expression for entropy change, ΔS = n Cp . ln (T2/T1), is valid for the __________ of a substance.****For any system, what is the minimum number of degrees of freedom?****Variation of equilibrium pressure with temperature for any two phases of a given substances is given…****During a reversible isothermal expansion of an ideal gas, the entropy change is****Clausius-Clapeyron equation is applicable to __________ equilibrium processes.****Which is not a refrigerant?****The expression for the work done for a reversible polytropic process can be used to obtain the expression…****Which of the following is not an intensive property?****During Joule-Thomson expansion of gases****The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300…****Joule-Thomson Co-efficient at any point on the inversion curve is****Pick out the wrong statement.****In the reaction, represented by, 2SO2 + O2 2SO3; ΔH = - 42 kcal; the forward reaction will be favoured…****In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the…****Out of the following refrigeration cycles, which one has maximum COP?****As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T)…****One ton of refrigeration capacity is equivalent to the heat removal rate of****Pick out the correct statement.****Entropy of the system decreases, when****For a reversible process involving only pressure-volume work****At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous…****Gibbs-Duhem equation relates composition in liquid phase and the __________ at constant temperature…****PVy = constant, holds good for an isentropic process, which is****The chemical potential for a pure substance is __________ its partial molal free energy.****At equilibrium condition, the chemical potential of a material in different phases in contact with each…****When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the…****First law of thermodynamics is mathematically stated as****The necessary and sufficient condition for equilibrium between two phases is****Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system…****At absolute zero temperature, the __________ of the gas is zero.**