Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change During heating of an ideal gas With pressure changes at constant temperature Under reversible isothermal volume change During cooling of an ideal gas During heating of an ideal gas With pressure changes at constant temperature Under reversible isothermal volume change During cooling of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change in case of reversible adiabatic process is Indeterminate Zero Minimum Maximum Indeterminate Zero Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics During Joule-Thomson expansion of gases Enthalpy remains constant Entropy remains constant None of these Temperature remains constant Enthalpy remains constant Entropy remains constant None of these Temperature remains constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates Easier plotting Use of only one graph for all gases Covering of wide range More accurate plotting Easier plotting Use of only one graph for all gases Covering of wide range More accurate plotting 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? 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 In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible __________ process. Adiabatic Polytropic Isentropic Isothermal Adiabatic Polytropic Isentropic Isothermal ANSWER DOWNLOAD EXAMIANS APP
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