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 Air cycle Ordinary vapour compression cycle Carnot cycle Vapour compression with a reversible expansion engine Air cycle Ordinary vapour compression cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At absolute zero temperature, all substances have the same Entropy None of these Heat capacity Crystalline structure Entropy None of these Heat capacity Crystalline structure 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 During cooling of an ideal gas Under reversible isothermal volume change With pressure changes at constant temperature During heating of an ideal gas During cooling of an ideal gas Under reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The thermodynamic law, PVy = constant, is not applicable in case of 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 Adiabatic expansion of steam in a turbine Free expansion of an ideal gas Ideal compression of air ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change of the reaction, H₂O(liquid) H₂O(gas), is termed as the enthalpy of Vaporisation Formation Solution Formation Vaporisation Formation Solution Formation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS