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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is

300(33/5)
300(33/7)
300(32/7)
300(35/7)

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Chemical Engineering Thermodynamics
For a constant volume process __________ by the system is used only to increase the internal energy.

Both A & B
Neither A nor B
Work done
Heat absorbed

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Chemical Engineering Thermodynamics
Degree of freedom of a system consisting of a gaseous mixture of H₂ and NH₃ will be

3
2
1
0

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Chemical Engineering Thermodynamics
Van Laar equation deals with the activity co-efficients in

Binary solutions
None of these
Azeotropic mixture only
Ternary solutions

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Chemical Engineering Thermodynamics
In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible __________ process.

Isothermal
Adiabatic
Polytropic
Isentropic

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Chemical Engineering Thermodynamics
A Carnot cycle consists of the following steps :

Two isobarics and two isothermals
Two isothermals and two isochorics
Two isochorics and two isobarics
Two isothermals and two isentropics

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