Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Ordinary vapour-compression cycle Air refrigeration cycle Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Ordinary vapour-compression cycle Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Domestic refrigerator usually works on the __________ refrigeration cycle. Absorption Vapour-ejection Carnot Air Absorption Vapour-ejection Carnot Air ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change. This is called the Law of corresponding state Kopp's rule Arrehenius hypothesis Le-Chatelier principle Law of corresponding state Kopp's rule Arrehenius hypothesis Le-Chatelier principle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The energy of activation of exothermic reaction is Very large compared to that for en-dothermic reaction Negative Not possible to predict Zero Very large compared to that for en-dothermic reaction Negative Not possible to predict Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The total change in the enthalpy of a system is independent of the None of these State of combination and aggregation in the beginning and at the end of the reaction Pressure and temperature Number of intermediate chemical reactions involved None of these State of combination and aggregation in the beginning and at the end of the reaction Pressure and temperature Number of intermediate chemical reactions involved ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change in Volume Both A & B Enthalpy Neither A nor B Volume Both A & B Enthalpy Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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