Chemical Engineering Thermodynamics As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine is Data sufficient, can't be predicted Increasing Decreasing Not changed Data sufficient, can't be predicted Increasing Decreasing Not changed ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)? Air cycle Carnot cycle Vapour compression with a reversible expansion engine Ordinary vapour compression cycle Air cycle Carnot cycle Vapour compression with a reversible expansion engine Ordinary vapour compression cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In jet refrigerators, the refrigerating fluid is practically always Ammonia Water Brine Freon Ammonia Water Brine Freon ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ____with the increase of reduced temperature. Remains constant Decreases Decreases logarithmically Increases Remains constant Decreases Decreases logarithmically Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is 300(33/7) 300(33/5) 300(32/7) 300(35/7) 300(33/7) 300(33/5) 300(32/7) 300(35/7) 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