Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Vapour-compression process with a reversible expansion engine Reverse Carnot cycle Ordinary vapour-compression cycle Air refrigeration cycle Vapour-compression process with a reversible expansion engine Reverse Carnot cycle Ordinary vapour-compression cycle Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the least thermal efficiency? Carnot engine Otto engine Diesel engine Steam engine Carnot engine Otto engine Diesel engine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A system in which there is exchange of energy but not of mass, is called a/an __________ system. Isolated Insulated Open Closed Isolated Insulated Open Closed ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The main feature of Carnot refrigeration cycle is that, it None of these Accomplishes the reverse effect of the heat engine Does not need the addition of external work for its functioning Transfers heat from high temperature to low temperature None of these Accomplishes the reverse effect of the heat engine Does not need the addition of external work for its functioning Transfers heat from high temperature to low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of reaction at constant volume is identified with __________ change. Either A or B Neither A nor B Enthalpy Internal energy Either A or B Neither A nor B Enthalpy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Refrigerants commonly used for domestic refrigerators are Propane Freon-12 NH₃ or CO₂ Ethyl chloride or methyle chloride Propane Freon-12 NH₃ or CO₂ Ethyl chloride or methyle chloride ANSWER DOWNLOAD EXAMIANS APP
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