Chemical Engineering Thermodynamics In an ideal refrigeration cycle, the change in internal energy of the fluid is Either of the above three ; depends on the nature of refrigerant -ve +ve Either of the above three ; depends on the nature of refrigerant -ve +ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Claussius-Clayperon equation gives accurate result, when the Vapour pressure is relatively low and the temperature does not vary over wide limits Volume in the liquid state is negligible compared with that in the vapour state All of these Vapour obeys the ideal gas law and the latent heat of vaporisation is constant Vapour pressure is relatively low and the temperature does not vary over wide limits Volume in the liquid state is negligible compared with that in the vapour state All of these Vapour obeys the ideal gas law and the latent heat of vaporisation is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics During Joule-Thomson expansion of gases Entropy remains constant Temperature remains constant Enthalpy remains constant None of these Entropy remains constant Temperature remains constant Enthalpy remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Out of the following refrigeration cycles, which one has maximum COP? Vapor compression with a reversible expansion engine Air cycle Ordinary vapor compression cycle Carnot cycle Vapor compression with a reversible expansion engine Air cycle Ordinary vapor compression cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively) Logarithmic Geometric Harmonic Arithmetic Logarithmic Geometric Harmonic Arithmetic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about 4.5 3.5 8.5 0.5 4.5 3.5 8.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
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