Chemical Engineering Thermodynamics Out of the following refrigeration cycles, which one has maximum COP? Air cycle Carnot cycle Ordinary vapor compression cycle Vapor compression with a reversible expansion engine Air cycle Carnot cycle Ordinary vapor compression cycle Vapor compression with a reversible expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is More in vapour phase More in liquid phase Same in both the phases Replaced by chemical potential which is more in vapour phase More in vapour phase More in liquid phase Same in both the phases Replaced by chemical potential which is more in vapour phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Water on heating from 1 to 4°C May contract or expand Has same volume Contracts Expands May contract or expand Has same volume Contracts Expands ANSWER DOWNLOAD EXAMIANS APP
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 Temperature None of these Kinematic viscosity Work Temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, nRT In P₁/P₂ , is for the____of an ideal gas. Work done under adiabatic contition Compressibility Co-efficient of thermal expansion Work done under isothermal condition Work done under adiabatic contition Compressibility Co-efficient of thermal expansion Work done under isothermal condition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Enthalpy of a gas depends upon its Pressure Volume Temperature Mass Pressure Volume Temperature Mass ANSWER DOWNLOAD EXAMIANS APP