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? 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 Carnot refrigeration cycle Vapor compression cycle using expansion valve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The temperature at which both liquid and gas phases are identical, is called the __________ point. Freezing Triple Critical Boiling Freezing Triple Critical Boiling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The accentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always < 1 < 3 > 1 > 2 < 1 < 3 > 1 > 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant Cv), depends upon its Temperature All of these Pressure Volume Temperature All of these Pressure Volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a constant volume process __________ by the system is used only to increase the internal energy. Heat absorbed Work done Both A & B Neither A nor B Heat absorbed Work done Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Melting of ice is an example of an __________ process. Isothermal None of these Adiabatic Isometric Isothermal None of these Adiabatic Isometric ANSWER DOWNLOAD EXAMIANS APP
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