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 Carnot cycle Ordinary vapour compression cycle Air cycle Vapour compression with a reversible expansion engine Carnot cycle Ordinary vapour compression cycle Air cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At absolute zero temperature, all substances have the same Heat capacity None of these Crystalline structure Entropy Heat capacity None of these Crystalline structure Entropy 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 cooling of an ideal gas During heating of an ideal gas With pressure changes at constant temperature Under reversible isothermal volume change During cooling of an ideal gas During heating 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 Free expansion of an ideal gas Adiabatic expansion of steam in a turbine Ideal compression of air Adiabatic compression of a perfect gas Free expansion of an ideal gas Adiabatic expansion of steam in a turbine Ideal compression of air 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 Formation Formation Solution Vaporisation Formation Formation Solution Vaporisation ANSWER DOWNLOAD EXAMIANS APP
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