Chemical Engineering Thermodynamics The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same. Kinematic viscosity Work None of these Temperature Kinematic viscosity Work None of these Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Domestic refrigerator usually works on the __________ refrigeration cycle. Vapour-ejection Carnot Air Absorption Vapour-ejection Carnot Air Absorption ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following equations is used for the prediction of activity co-efficient from experiments? All of these Van Laar equation Wilson's equation Margules equation All of these Van Laar equation Wilson's equation Margules equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The second law of thermodynamics states that The total energy of system and surrounding remains the same None of these It is not possible to transfer heat from a lower temperature to a higher temperature The energy change of a system undergoing any reversible process is zero The total energy of system and surrounding remains the same None of these It is not possible to transfer heat from a lower temperature to a higher temperature The energy change of a system undergoing any reversible process is zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Joule-Thomson co-efficient depends on the Both A & B Temperature Pressure Neither A nor B Both A & B Temperature Pressure Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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 Air cycle Carnot cycle Vapour compression with a reversible expansion engine Ordinary vapour compression cycle Air cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS