Chemical Engineering Thermodynamics The value of gas constant 'R' is 1.987 BTU/lb. mole °R 1.987 cal/gm mole °K Both A and B Neither A nor B 1.987 BTU/lb. mole °R 1.987 cal/gm mole °K Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Equilibrium constant decreases as the temperature Decreases, for an exothermic reaction None of these Increases, for an endothermic reaction Increases, for an exothermic reaction Decreases, for an exothermic reaction None of these Increases, for an endothermic reaction Increases, for an exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The third law of thermodynamics states that the Gases having same reduced properties behave similarly Heat capacity of a crystalline solid is zero at absolute zero temperature None of these Heat transfer from low temperature to high temperature source is not possible without external work Gases having same reduced properties behave similarly Heat capacity of a crystalline solid is zero at absolute zero temperature None of these Heat transfer from low temperature to high temperature source is not possible without external work ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics During a reversible isothermal expansion of an ideal gas, the entropy change is -ve ∞ +ve -ve ∞ +ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Throttling (Joule-Thomson effect) process is a constant __________ process. Pressure Enthalpy Entropy None of these Pressure Enthalpy Entropy None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in Enhanced COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP No change in the value of COP Enhanced COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP No change in the value of COP ANSWER DOWNLOAD EXAMIANS APP