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 temperature Vary as square of the absolute pressure None of these Are more or less constant (vary from 0.2 to 0.3) Vary as square of the absolute temperature Vary as square of the absolute pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ equation predicts the activity co-efficient from experimental data. Margules Van Laar Lewis-Randall Both B & C Margules Van Laar Lewis-Randall Both B & C 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 Decreasing Not changed Increasing Data sufficient, can't be predicted Decreasing Not changed Increasing Data sufficient, can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to __________ °C. 300 327 540 270 300 327 540 270 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T₁ and T₂ is given by T₁/(T₁-T₂) T₂/R1 T₂/(T₁-T₂) T₁/T₂ T₁/(T₁-T₂) T₂/R1 T₂/(T₁-T₂) T₁/T₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following exemplifies an adiabatic process? Evaporation of water Condensation of alcohol vapor Sudden bursting of a cycle tube Melting of ice Evaporation of water Condensation of alcohol vapor Sudden bursting of a cycle tube Melting of ice ANSWER DOWNLOAD EXAMIANS APP