Chemical Engineering Thermodynamics In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be 6.2 5.2 0.168 Data insufficient, can't be found out 6.2 5.2 0.168 Data insufficient, can't be found out ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is Dependent on climatic conditions More Less Same Dependent on climatic conditions More Less Same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Both B and C Heating Simultaneous pressure & temperature change Cooling Both B and C Heating Simultaneous pressure & temperature change Cooling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Claussius-Clayperon equation gives accurate result, when the All of these Volume in the liquid state is negligible compared with that in the vapour state Vapour pressure is relatively low and the temperature does not vary over wide limits Vapour obeys the ideal gas law and the latent heat of vaporisation is constant All of these Volume in the liquid state is negligible compared with that in the vapour state Vapour pressure is relatively low and the temperature does not vary over wide limits Vapour obeys the ideal gas law and the latent heat of vaporisation is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of a close thermodynamic system, there is __________ across the boundaries. None of these Mass and energy transfer No mass transfer but heat transfer No heat and mass transfer None of these Mass and energy transfer No mass transfer but heat transfer No heat and mass transfer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Joule-Thomson co-efficient for a perfect gas is Positive Negative None of these Zero Positive Negative None of these Zero ANSWER DOWNLOAD EXAMIANS APP
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