Chemical Engineering Thermodynamics The gas law (PV = RT) is true for an __________ change. Neither A nor B Isothermal Both A & B Adiabatic Neither A nor B Isothermal Both A & B Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Domestic refrigerator usually works on the __________ refrigeration cycle. Vapour-ejection Carnot Air Absorption Vapour-ejection Carnot Air Absorption ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature. At Below Above Either B or C At Below Above Either B or C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical compressibility factor for all substances Are more or less constant (vary from 0.2 to 0.3) Vary as square of the absolute pressure None of these Vary as square of the absolute temperature Are more or less constant (vary from 0.2 to 0.3) Vary as square of the absolute pressure None of these Vary as square of the absolute temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is Zero Negative Positive May be positive or negative Zero Negative Positive May be positive or negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The following heat engine produces power of 100000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is 320, 000 kW 200, 000 kW 160, 000 kW 100, 000 kW 320, 000 kW 200, 000 kW 160, 000 kW 100, 000 kW ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS