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 U and S both decreases U decreases but S is constant Its internal energy (U) decreases and its entropy (S) increases U is constant but S decreases U and S both decreases U decreases but S is constant Its internal energy (U) decreases and its entropy (S) increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches An indeterminate value Zero Unity Infinity An indeterminate value Zero Unity Infinity 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 1000 667 349 651 1000 667 349 651 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Van Laar equation deals with the activity co-efficients in None of these Binary solutions Ternary solutions Azeotropic mixture only None of these Binary solutions Ternary solutions Azeotropic mixture only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity co-efficient of a substance is the ratio of its fugacity to Activity co-efficient Activity Pressure Mole fraction Activity co-efficient Activity Pressure Mole fraction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In jet refrigerators, the refrigerating fluid is practically always Brine Ammonia Freon Water Brine Ammonia Freon Water ANSWER DOWNLOAD EXAMIANS APP
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