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