Chemical Engineering Thermodynamics The equation Tds = dE - PdV applies to Open as well as closed systems Single phase fluid of constant composition Both B and C Single phase fluid of varying composition Open as well as closed systems Single phase fluid of constant composition Both B and C Single phase fluid of varying composition ANSWER DOWNLOAD EXAMIANS APP
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 engine Vapor compression cycle using expansion valve Carnot refrigeration cycle Air refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Carnot refrigeration cycle Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy change at equilibrium is Negative Positive Indeterminate Zero Negative Positive Indeterminate Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An ideal liquid refrigerant should Both A and B Not have unduly high vapour pressure at the condenser temperature Have low specific heat Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Both A and B Not have unduly high vapour pressure at the condenser temperature Have low specific heat Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy changes for two reaction mechanism 'X' and 'Y are respectively - 15 and - 5 units. It implies that X is Faster than Y Three times faster than Y Three times slower than Y Slower than Y Faster than Y Three times faster than Y Three times slower than Y Slower than Y ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics After throttling, gas temperature Increases Decreases Remains same May increase or decrease ; depends on the nature of the gas Increases Decreases Remains same May increase or decrease ; depends on the nature of the gas ANSWER DOWNLOAD EXAMIANS APP
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