Chemical Engineering Thermodynamics Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)? Ordinary vapour compression cycle Air cycle Carnot cycle Vapour compression with a reversible expansion engine Ordinary vapour compression cycle Air cycle Carnot cycle Vapour compression with a reversible expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At absolute zero temperature, all substances have the same Crystalline structure Heat capacity None of these Entropy Crystalline structure Heat capacity None of these Entropy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change With pressure changes at constant temperature During heating of an ideal gas Under reversible isothermal volume change During cooling of an ideal gas With pressure changes at constant temperature During heating of an ideal gas Under reversible isothermal volume change During cooling of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The thermodynamic law, PVy = constant, is not applicable in case of Ideal compression of air Free expansion of an ideal gas Adiabatic expansion of steam in a turbine Adiabatic compression of a perfect gas Ideal compression of air Free expansion of an ideal gas Adiabatic expansion of steam in a turbine Adiabatic compression of a perfect gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change of the reaction, H₂O(liquid) H₂O(gas), is termed as the enthalpy of Vaporisation Formation Formation Solution Vaporisation Formation Formation Solution ANSWER DOWNLOAD EXAMIANS APP