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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Charles' law for gases states that

V ∝ 1/T
PV/T = Constant
V/T = Constant
V ∝ 1/P

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Chemical Engineering Thermodynamics
A gas can be liquified by pressure alone only, when its temperature is __________ its critical temperature.

More than
Less than
Equal to or higher than
Less than or equal to

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Chemical Engineering Thermodynamics
A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is

1000
667
349
651

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Chemical Engineering Thermodynamics
PVy = constant, holds good for an isentropic process, which is

Isothermal and irreversible
Reversible and isothermal
Adiabatic and irreversible
Reversible and adiabatic

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Chemical Engineering Thermodynamics
In Joule-Thomson porous plug experiment, the

Enthalpy does not remain constant
Temperature remains constant
None of these
Entire apparatus is exposed to surroundings

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Chemical Engineering Thermodynamics
Degree of freedom of the system ice-water-vapour will be

1
0
2
3

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