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 Carnot refrigeration cycle Vapor compression cycle using expansion engine Air refrigeration cycle Vapor compression cycle using expansion valve Carnot refrigeration cycle Vapor compression cycle using expansion engine Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation, PV = nRT, is best obeyed by gases at Low pressure & low temperature None of these Low pressure & high temperature High pressure & low temperature Low pressure & low temperature None of these Low pressure & high temperature High pressure & low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible __________ process. Isentropic Isometric Isobaric Polytropic Isentropic Isometric Isobaric Polytropic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the correct equation relating 'F' and 'A'. F = A + TS F = A + PV F = A - TS F = E + A F = A + TS F = A + PV F = A - TS F = E + A ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The quantitative effect of temperature on chemical equilibrium is given by the Arhenius equation Vant-Hoff equation Le-Chatelier's principle None of these Arhenius equation Vant-Hoff equation Le-Chatelier's principle None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is Positive Zero Negative Infinity Positive Zero Negative Infinity ANSWER DOWNLOAD EXAMIANS APP
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