Chemical Engineering Thermodynamics In a working refrigerator, the value of COP is always > 1 < 1 < 0 > 1 < 1 < 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Ideal refrigeration cycle is Dependent on the refrigerant's properties Same as reverse Carnot cycle The least efficient of all refrigeration processes Same as Carnot cycle Dependent on the refrigerant's properties Same as reverse Carnot cycle The least efficient of all refrigeration processes Same as Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy Remains unchanged in reversible processes carried at constant temperature and pressure Decreases in all spontaneous (or irreversible) processes All of these Change during a spontaneous process has a negative value Remains unchanged in reversible processes carried at constant temperature and pressure Decreases in all spontaneous (or irreversible) processes All of these Change during a spontaneous process has a negative value ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The adiabatic throttling process of a perfect gas is one of constant enthalpy Which can be performed in a pipe with a constriction In which there is a temperature drop Which is exemplified by a non-steady flow expansion In which there is an increase in temperature Which can be performed in a pipe with a constriction In which there is a temperature drop Which is exemplified by a non-steady flow expansion In which there is an increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The internal energy of an ideal gas is a function of its __________ only. Pressure Temperature Molecular size Volume Pressure Temperature Molecular size Volume 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 Decreased COP No change in the value of COP Increased or decreased COP ; depending upon the type of refrigerant Enhanced COP Decreased COP No change in the value of COP Increased or decreased COP ; depending upon the type of refrigerant ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS