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 Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is 1 ∞ None of these 1 ∞ None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The point at which all the three (solid, liquid and gas) phases co-exist, is known as the __________ point. Freezing Boiling Triple Boyle Freezing Boiling Triple Boyle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy is a measure of the __________ of a system. Orderly behaviour Disorder Temperature changes only None of these Orderly behaviour Disorder Temperature changes only None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An isolated system can exchange __________ with its surroundings. Matter Energy Neither matter nor energy Both matter and energy Matter Energy Neither matter nor energy Both matter and energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In polytropic process (PVn = constant), if n = 1; it means a/an __________ process. Adiabatic None of these Isothermal Reversible Adiabatic None of these Isothermal Reversible ANSWER DOWNLOAD EXAMIANS APP
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