Chemical Engineering Thermodynamics An ideal liquid refrigerant should 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 Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions. Isotonic Ideal Real None of these Isotonic Ideal Real None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Efficiency of a Carnot engine working between temperatures T₁ and T₂ (T₁ < T₂) is (T₁ - T₂)/T₂ (T₂ - T₁)/T₁ (T₂ - T₁)/T₂ (T₁ - T₂)/T₁ (T₁ - T₂)/T₂ (T₂ - T₁)/T₁ (T₂ - T₁)/T₂ (T₁ - T₂)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Air refrigeration cycle Carnot refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as P = F - C - 2 P + F - C = 2 C = P - F + 2 F = C - P - 2 P = F - C - 2 P + F - C = 2 C = P - F + 2 F = C - P - 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an adiabatic process, the Heat transfer is zero Temperature change is zero Work done is a path function Enthalpy remains constant Heat transfer is zero Temperature change is zero Work done is a path function Enthalpy remains constant ANSWER DOWNLOAD EXAMIANS APP
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