Chemical Engineering Thermodynamics Critical compressibility factor for all substances Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute temperature Vary as square of the absolute pressure Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute temperature Vary as square of the absolute pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an ideal refrigeration cycle, the change in internal energy of the fluid is +ve -ve Either of the above three ; depends on the nature of refrigerant +ve -ve Either of the above three ; depends on the nature of refrigerant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The chemical potential for a pure substance is __________ its partial molal free energy. More than Less than Equal to Not related to More than Less than Equal to Not related to ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Variation of equilibrium pressure with temperature for any two phases of a given substances is given by the __________ equation. Maxwell's Clayperon None of these Gibbs-Duhem Maxwell's Clayperon None of these Gibbs-Duhem ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigerator works on the principle of __________ law of thermodynamics. Zeroth Second Third First Zeroth Second Third First ANSWER DOWNLOAD EXAMIANS APP
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