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. Work Temperature None of these Kinematic viscosity Work Temperature None of these Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an ideal solution, the value of activity co-efficient is 1 > 1 < 1 1 > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an isothermal reversible compression of an ideal gas Only ΔE = 0 Only ΔH =0 ΔE = ΔH = 0 DQ = dE Only ΔE = 0 Only ΔH =0 ΔE = ΔH = 0 DQ = dE ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical compressibility factor for all substances Vary as square of the absolute temperature Vary as square of the absolute pressure Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute temperature Vary as square of the absolute pressure Are more or less constant (vary from 0.2 to 0.3) None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The point at which all the three (solid, liquid and gas) phases co-exist, is known as the __________ point. Boyle Boiling Freezing Triple Boyle Boiling Freezing Triple ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as Solubility increases as temperature decreases Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution Solubility increases as temperature increases Solubility is independent of temperature Solubility increases as temperature decreases Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution Solubility increases as temperature increases Solubility is independent of temperature ANSWER DOWNLOAD EXAMIANS APP