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 enthalpy change when ammonia gas is dissolved in water is called the heat of Dilution Combustion Solution Formation Dilution Combustion Solution Formation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At absolute zero temperature, the __________ of the gas is zero. None of these Volume Pressure Mass None of these Volume Pressure Mass 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 T₂/R1 T₁/(T₁-T₂) T₂/(T₁-T₂) T₁/T₂ T₂/R1 T₁/(T₁-T₂) T₂/(T₁-T₂) T₁/T₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is Ax₁ A . x₂² Ax₂ Ax₁² Ax₁ A . x₂² Ax₂ Ax₁² ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Equilibrium constant decreases as the temperature Increases, for an exothermic reaction Increases, for an endothermic reaction None of these Decreases, for an exothermic reaction Increases, for an exothermic reaction Increases, for an endothermic reaction None of these Decreases, for an exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
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