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 Ordinary vapour compression cycle Carnot cycle Air cycle Vapour compression with a reversible expansion engine Ordinary vapour compression cycle Carnot cycle Air cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The chemical potential for a pure substance is __________ its partial molal free energy. Equal to Not related to More than Less than Equal to Not related to More than Less than ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system ? Compressor Refrigerator Expansion valve Condenser Compressor Refrigerator Expansion valve Condenser ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a system is in equilibrium for all possible processes, the differential or finite change of entropy is = 0 > 0 None of these < 0 = 0 > 0 None of these < 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a unit of the equilibrium constant Kp? (where, Δx = number of moles of products number of moles of reactants) (atm)Δx2, when Δx > 0 Dimensionless, when Δx = 0 (atm)Δx, when Δx is positive (atm)Δx, when Δx is negative (atm)Δx2, when Δx > 0 Dimensionless, when Δx = 0 (atm)Δx, when Δx is positive (atm)Δx, when Δx is negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in An open system with changes in composition A closed system with changes in composition A closed system of constant composition An open system of constant composition An open system with changes in composition A closed system with changes in composition A closed system of constant composition An open system of constant composition ANSWER DOWNLOAD EXAMIANS APP
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