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? 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 Vapor compression cycle using expansion valve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an ideal solution, the value of activity co-efficient is 1 > 1 < 1 1 > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics PVy = constant, holds good for an isentropic process, which is Isothermal and irreversible Reversible and adiabatic Reversible and isothermal Adiabatic and irreversible Isothermal and irreversible Reversible and adiabatic Reversible and isothermal Adiabatic and irreversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following identities can be most easily used to verify steam table data for superheated steam. (∂P/∂T)V = (∂S/∂V)T (∂T/∂V)S = (∂p/∂S)V (∂T/∂P)S = (∂V/∂S)P (∂V/∂T)P = -(∂S/∂P)T (∂P/∂T)V = (∂S/∂V)T (∂T/∂V)S = (∂p/∂S)V (∂T/∂P)S = (∂V/∂S)P (∂V/∂T)P = -(∂S/∂P)T ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is More Less Same Dependent on climatic conditions More Less Same Dependent on climatic conditions ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzman's constant, T = absolute temperature) 3KT/m √(6KT/m) √(2KT/m) √(3KT/m) 3KT/m √(6KT/m) √(2KT/m) √(3KT/m) ANSWER DOWNLOAD EXAMIANS APP
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