Chemical Engineering Thermodynamics Heat is added at constant temperature in an ideal __________ cycle. Rankine Brayton None of these Stirling Rankine Brayton None of these Stirling 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 Air refrigeration cycle Vapor compression cycle using expansion engine Carnot refrigeration cycle Vapor compression cycle using expansion valve Air refrigeration cycle Vapor compression cycle using expansion engine Carnot refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation, PV = nRT, is best obeyed by gases at None of these High pressure & low temperature Low pressure & high temperature Low pressure & low temperature None of these High pressure & low temperature Low pressure & high temperature Low pressure & low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics During a reversible isothermal expansion of an ideal gas, the entropy change is ∞ +ve -ve ∞ +ve -ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity and pressure are numerically equal, when the gas is At low temperature At high pressure In ideal state In standard state At low temperature At high pressure In ideal state In standard state 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) T₁/T₂ T₂/R1 T₂/(T₁-T₂) T₁/(T₁-T₂) T₁/T₂ T₂/R1 T₂/(T₁-T₂) ANSWER DOWNLOAD EXAMIANS APP