Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Cooling of a substance Reversible isothermal volume change Heating of a substance Simultaneous heating and expansion of an ideal gas Cooling of a substance Reversible isothermal volume change Heating of a substance Simultaneous heating and expansion of an ideal gas 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 349 667 651 1000 349 667 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The energy of activation of exothermic reaction is Not possible to predict Very large compared to that for en-dothermic reaction Negative Zero Not possible to predict Very large compared to that for en-dothermic reaction Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant Cv), depends upon its Temperature Pressure Volume All of these Temperature Pressure Volume All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy of a substance remains constant during a/an __________ change. Reversible adiabatic Reversible isothermal None of these Irreversible isothermal Reversible adiabatic Reversible isothermal None of these Irreversible isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat is added at constant pressure in an ideal __________ cycle. Both B and C Stirling Brayton Rankine Both B and C Stirling Brayton Rankine ANSWER DOWNLOAD EXAMIANS APP
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