Chemical Engineering Thermodynamics An ideal liquid refrigerant should Have low specific heat Both A and B Not have unduly high vapour pressure at the condenser temperature Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Have low specific heat Both A and B Not have unduly high vapour pressure at the condenser temperature Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Claude gas liquefaction process employs cooling By throttling None of these At constant pressure By expansion in an engine By throttling None of these At constant pressure By expansion in an engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change for an irreversible isolated system is < 0 > 0 ∞ < 0 > 0 ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is Negative Unity Infinity Constant Negative Unity Infinity Constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy All of these Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes Remains unchanged in reversible processes carried at constant temperature and pressure All of these Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes Remains unchanged in reversible processes carried at constant temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor)? Liquid sulphur dioxide Ammonia Methyl chloride Freon Liquid sulphur dioxide Ammonia Methyl chloride Freon ANSWER DOWNLOAD EXAMIANS APP