Chemical Engineering Thermodynamics Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the Cold reservoir approaches zero Hot reservoir approaches infinity Neither A nor B Either A or B Cold reservoir approaches zero Hot reservoir approaches infinity Neither A nor B Either A or B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The standard state of a gas (at a given temperature) is the state in which fugacity is equal to Activity Unity Neither A nor B Both A & B Activity Unity Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system U is constant but S decreases Its internal energy (U) decreases and its entropy (S) increases U decreases but S is constant U and S both decreases U is constant but S decreases Its internal energy (U) decreases and its entropy (S) increases U decreases but S is constant U and S both decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Co-efficient of Performance (COP) of a refrigerator is the ratio of the Lower to higher temperature Work required to refrigeration obtained Higher to lower temperature Refrigeration obtained to the work required Lower to higher temperature Work required to refrigeration obtained Higher to lower temperature Refrigeration obtained to the work required ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The enthalpy change when ammonia gas is dissolved in water is called the heat of Formation Combustion Dilution Solution Formation Combustion Dilution Solution ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Adiabatic compression of a saturated water vapour makes it Neither A nor B Both A and B Supersaturated Superheated Neither A nor B Both A and B Supersaturated Superheated ANSWER DOWNLOAD EXAMIANS APP
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