Chemical Engineering Thermodynamics The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is -ve +ve ∞ -ve +ve ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Out of the following refrigeration cycles, which one has maximum COP? Ordinary vapor compression cycle Carnot cycle Air cycle Vapor compression with a reversible expansion engine Ordinary vapor compression cycle Carnot cycle Air cycle Vapor compression with a reversible expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of Vaporisation Transition Sublimation Fusion Vaporisation Transition Sublimation Fusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of reaction at constant volume is identified with __________ change. Enthalpy Neither A nor B Either A or B Internal energy Enthalpy Neither A nor B Either A or B Internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which one is true for a throttling process? A gas may have more than one inversion temperatures The inversion temperature is different for different gases The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity The inversion temperature is same for all gases A gas may have more than one inversion temperatures The inversion temperature is different for different gases The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity The inversion temperature is same for all gases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the undesirable property for a good refrigerant. Low freezing point High viscosity Large latent heat of vaporisation High thermal conductivity Low freezing point High viscosity Large latent heat of vaporisation High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
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