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? Carnot refrigeration cycle Vapor compression cycle using expansion valve Air refrigeration cycle Vapor compression cycle using expansion engine Carnot refrigeration cycle Vapor compression cycle using expansion valve Air refrigeration cycle Vapor compression cycle using expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A large iceberg melts at the base, but not at the top, because of the reason that All of these The iceberg remains in a warmer condition at the base Ice at the base contains impurities which lowers its melting point Due to the high pressure at the base, its melting point reduces All of these The iceberg remains in a warmer condition at the base Ice at the base contains impurities which lowers its melting point Due to the high pressure at the base, its melting point reduces ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Joule-Thomson Co-efficient at any point on the inversion curve is ∞ -ve + ve ∞ -ve + ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change in case of reversible adiabatic process is Zero Minimum Maximum Indeterminate Zero Minimum Maximum Indeterminate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Ordinary vapour-compression cycle Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Air refrigeration cycle Ordinary vapour-compression cycle Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Claude gas liquefaction process employs cooling At constant pressure None of these By expansion in an engine By throttling At constant pressure None of these By expansion in an engine By throttling ANSWER DOWNLOAD EXAMIANS APP
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