Chemical Engineering Thermodynamics The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is Data insufficient, can't be predicted Less pronounced Equal More pronounced Data insufficient, can't be predicted Less pronounced Equal More pronounced ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs-Duhem equation relates composition in liquid phase and the __________ at constant temperature & pressure. Partial pressure Fugacity A, B, and C Activity co-efficient Partial pressure Fugacity A, B, and C Activity co-efficient ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a working refrigerator, the value of COP is always < 0 > 1 < 1 < 0 > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an ideal solution, the activity of a component equals its Partial pressure None of these Fugacity at the same temperature and pressure Mole fraction Partial pressure None of these Fugacity at the same temperature and pressure Mole fraction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Does not change in volume Expands Contracts Either A, B or C Does not change in volume Expands Contracts Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A system is said to be isopiestic, if there is no __________ change. Pressure Temperature None of these Volume Pressure Temperature None of these Volume ANSWER DOWNLOAD EXAMIANS APP