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? Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Carnot refrigeration cycle Air refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Carnot refrigeration cycle Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of reaction is Dependent on both pressure and temperature Dependent on pressure only Independent of temperature changes Dependent on temperature only Dependent on both pressure and temperature Dependent on pressure only Independent of temperature changes Dependent on temperature only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The value of Cp & Cv respectively for monoatomic gases in Kcal/kg Mole . °K are 0.66 & 1.987 3.987 & 1.987 1.987 & 0.66 5 & 3 0.66 & 1.987 3.987 & 1.987 1.987 & 0.66 5 & 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A gas can be liquified by pressure alone only, when its temperature is __________ its critical temperature. Less than Equal to or higher than Less than or equal to More than Less than Equal to or higher than Less than or equal to More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a constant volume process __________ by the system is used only to increase the internal energy. Both A & B Neither A nor B Heat absorbed Work done Both A & B Neither A nor B Heat absorbed Work done ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, nCv(T₂ - T₁), is for the __________ of an ideal gas. Work done under adiabatic condition Co-efficient of thermal expansion None of these Compressibility Work done under adiabatic condition Co-efficient of thermal expansion None of these Compressibility ANSWER DOWNLOAD EXAMIANS APP
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