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 Air cycle Ordinary vapour compression cycle Carnot cycle Vapour compression with a reversible expansion engine Air cycle Ordinary vapour compression cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is true for Virial equation of state? Virial co-efficients are universal constants Virial co-efficients For some gases, Virial equations and ideal gas equations are the same Virial co-efficients are function of temperature only Virial co-efficients are universal constants Virial co-efficients For some gases, Virial equations and ideal gas equations are the same Virial co-efficients are function of temperature only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A gas can be liquified by pressure alone only, when its temperature is __________ its critical temperature. Less than or equal to Less than Equal to or higher than More than Less than or equal to Less than Equal to or higher than More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At the critical point of a substance There is no distinction between liquid and vapour phases Liquid and vapour have the same density The surface tension vanishes All of these There is no distinction between liquid and vapour phases Liquid and vapour have the same density The surface tension vanishes All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Domestic refrigerator usually works on the __________ refrigeration cycle. Vapour-ejection Air Carnot Absorption Vapour-ejection Air Carnot Absorption ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics After throttling, gas temperature Remains same Increases May increase or decrease ; depends on the nature of the gas Decreases Remains same Increases May increase or decrease ; depends on the nature of the gas Decreases ANSWER DOWNLOAD EXAMIANS APP
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