Chemical Engineering Thermodynamics Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)? Ordinary vapour compression cycle Carnot cycle Air cycle Vapour compression with a reversible expansion engine Ordinary vapour compression cycle Carnot cycle Air 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 Entropy None of these Heat capacity Crystalline structure Entropy None of these Heat capacity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change During cooling of an ideal gas During heating of an ideal gas Under reversible isothermal volume change With pressure changes at constant temperature During cooling of an ideal gas During heating of an ideal gas Under reversible isothermal volume change 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 expansion of steam in a turbine Free expansion of an ideal gas Ideal compression of air Adiabatic compression of a perfect gas Adiabatic expansion of steam in a turbine Free expansion of an ideal gas 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 Solution Vaporisation Formation Formation Solution Vaporisation Formation ANSWER DOWNLOAD EXAMIANS APP
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