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 None of these Temperature Work Kinematic viscosity None of these Temperature Work ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Enthalpy changes over a constant pressure path are always zero for __________ gas. An easily liquefiable A real A perfect Any An easily liquefiable A real A perfect Any ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is an extensive property of a system? Concentration Pressure Molal heat capacity Heat capacity Concentration Pressure Molal heat capacity Heat capacity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics High __________ is an undesirable property for a good refrigerant. Latent heat of vaporisation Specific heat Viscosity Specific vapor volume Latent heat of vaporisation Specific heat Viscosity Specific vapor volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Equilibrium constant decreases as the temperature Increases, for an exothermic reaction None of these Decreases, for an exothermic reaction Increases, for an endothermic reaction Increases, for an exothermic reaction None of these Decreases, for an exothermic reaction Increases, for an endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the Hot reservoir approaches infinity Neither A nor B Cold reservoir approaches zero Either A or B Hot reservoir approaches infinity Neither A nor B Cold reservoir approaches zero Either A or B ANSWER DOWNLOAD EXAMIANS APP
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