Chemical Engineering Thermodynamics Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)? Carnot cycle Ordinary vapour compression cycle Vapour compression with a reversible expansion engine Air cycle Carnot cycle Ordinary vapour compression cycle Vapour compression with a reversible expansion engine Air cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about 4.5 0.5 3.5 8.5 4.5 0.5 3.5 8.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Reduced pressure of a gas is the ratio of its Pseudocritical pressure to pressure Pressure to pseudocritical pressure Pressure to critical pressure Critical pressure to pressure Pseudocritical pressure to pressure Pressure to pseudocritical pressure Pressure to critical pressure Critical pressure to pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is 667 349 1000 651 667 349 1000 651 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the degree of freedom for two mis-cible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope? 1 2 3 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are Always greater than one Both B & C Same at the same reduced pressure Same at the same reduced temperature Always greater than one Both B & C Same at the same reduced pressure Same at the same reduced temperature ANSWER DOWNLOAD EXAMIANS APP
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