Chemical Engineering Thermodynamics Entropy of a substance remains constant during a/an __________ change. Reversible adiabatic Reversible isothermal None of these Irreversible isothermal Reversible adiabatic Reversible isothermal None of these Irreversible isothermal 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? Air refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Carnot refrigeration cycle Air refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Carnot refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an isothermal reversible compression of an ideal gas DQ = dE Only ΔE = 0 Only ΔH =0 ΔE = ΔH = 0 DQ = dE Only ΔE = 0 Only ΔH =0 ΔE = ΔH = 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is 10373 4988.4 30554 4364.9 10373 4988.4 30554 4364.9 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics (∂H/∂T)p is the mathematical expression for Entropy change None of these CV Gibbs free energy Entropy change None of these CV Gibbs free energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Charles' law for gases states that V/T = Constant V ∝ 1/T PV/T = Constant V ∝ 1/P V/T = Constant V ∝ 1/T PV/T = Constant V ∝ 1/P ANSWER DOWNLOAD EXAMIANS APP
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