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 engine Vapor compression cycle using expansion valve Carnot refrigeration cycle Air refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Carnot refrigeration cycle Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one Second Minute Day Hour Second Minute Day Hour ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Linde gas liquefaction process employs cooling At constant pressure By expansion in an engine None of these By throttling At constant pressure By expansion in an engine None of these By throttling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible __________ process. Isentropic Isometric Isothermal Isobaric Isentropic Isometric Isothermal Isobaric ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor of a gas is Not a function of its nature Not a function of its temperature Not a function of its pressure Unity, if it follows PV = nRT Not a function of its nature Not a function of its temperature Not a function of its pressure Unity, if it follows PV = nRT ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process. Isothermal Adiabatic Isobaric None of these Isothermal Adiabatic Isobaric None of these ANSWER DOWNLOAD EXAMIANS APP
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