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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the

Heat of combustion
Calorific value
Heat of formation
Heat of reaction

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Chemical Engineering Thermodynamics
The change in __________ is equal to the reversible work for compression in steady state flow process under isothermal condition.

Gibbs free energy
Internal energy
Helmholtz free energy
Enthalpy

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Chemical Engineering Thermodynamics
The temperature at which both liquid and gas phases are identical, is called the __________ point.

Critical
Freezing
Triple
Boiling

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Chemical Engineering Thermodynamics
Out of the following refrigeration cycles, which one has maximum COP?

Ordinary vapor compression cycle
Air cycle
Carnot cycle
Vapor compression with a reversible expansion engine

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Chemical Engineering Thermodynamics
In the equation, PVn = constant, if the value of n = ± ∞, then it represents a reversible __________ process.

Isothermal
Isentropic
Isometric
Adiabatic

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Chemical Engineering Thermodynamics
The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for

Cooling of a substance
Heating of a substance
Reversible isothermal volume change
Simultaneous heating and expansion of an ideal gas

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