Chemical Engineering Thermodynamics An ideal liquid refrigerant should Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Both A and B Have low specific heat Not have unduly high vapour pressure at the condenser temperature Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Both A and B Have low specific heat Not have unduly high vapour pressure at the condenser temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The gas law (PV = RT) is true for an __________ change. Adiabatic Neither A nor B Both A & B Isothermal Adiabatic Neither A nor B Both A & B Isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics 1m³ of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be 274 K 35 K 174 K 154 K 274 K 35 K 174 K 154 K ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the Cold reservoir approaches zero Hot reservoir approaches infinity Neither A nor B Either A or B Cold reservoir approaches zero Hot reservoir approaches infinity Neither A nor B Either A or B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine is Not changed Data sufficient, can't be predicted Increasing Decreasing Not changed Data sufficient, can't be predicted Increasing Decreasing ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas is expanded from high pressure region to low pressure region ; temper -ature change occurs. This phenomenon is related to the Gibbs-Duhem equation Third law of thermodynamics Gibbs-Helmholtz equation Joule-Thomson effect Gibbs-Duhem equation Third law of thermodynamics Gibbs-Helmholtz equation Joule-Thomson effect ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS