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 More pronounced Equal Data insufficient, can't be predicted Less pronounced More pronounced Equal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The third law of thermodynamics states that the Heat capacity of a crystalline solid is zero at absolute zero temperature None of these Gases having same reduced properties behave similarly Heat transfer from low temperature to high temperature source is not possible without external work Heat capacity of a crystalline solid is zero at absolute zero temperature None of these Gases having same reduced properties behave similarly Heat transfer from low temperature to high temperature source is not possible without external work ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity co-efficient of a substance is the ratio of its fugacity to Mole fraction Activity Pressure Activity co-efficient Mole fraction Activity Pressure Activity co-efficient ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same. Temperature Work None of these Kinematic viscosity Temperature Work None of these Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy Remains unchanged in reversible processes carried at constant temperature and pressure Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes All of these Remains unchanged in reversible processes carried at constant temperature and pressure Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes. None of these Reaction mechanism Calculation of rates Energy transformation from one form to the another None of these Reaction mechanism Calculation of rates Energy transformation from one form to the another ANSWER DOWNLOAD EXAMIANS APP
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