Chemical Engineering Thermodynamics The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is Cv loge 4 Cv log10 4 R log10 4 R loge 4 Cv loge 4 Cv log10 4 R log10 4 R loge 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the Neither A nor B Cold reservoir approaches zero Hot reservoir approaches infinity Either A or B Neither A nor B Cold reservoir approaches zero Hot reservoir approaches infinity Either A or B 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 651 1000 667 349 651 1000 667 349 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Joule-Thomson co-efficient depends on the Neither A nor B Temperature Both A & B Pressure Neither A nor B Temperature Both A & B Pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The thermodynamic law, PVy = constant, is not applicable in case of Free expansion of an ideal gas Ideal compression of air Adiabatic expansion of steam in a turbine Adiabatic compression of a perfect gas Free expansion of an ideal gas Ideal compression of air Adiabatic expansion of steam in a turbine Adiabatic compression of a perfect gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A solid is transformed into vapour without going to the liquid phase at Boiling point Always Triple point Below triple point Boiling point Always Triple point Below triple point ANSWER DOWNLOAD EXAMIANS APP
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