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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Cp of a gas at its critical temperature and pressure

Becomes infinity
Equals 1 kcal/kmol °K
Becomes zero
Equals 0.24 kcal/kmol °K

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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

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

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Chemical Engineering Thermodynamics
At __________ point, all the three phases (i.e.solid, liquid and gas) co-exist.

Critical
Eutcetic
Plait
Triple

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Chemical Engineering Thermodynamics
Efficiency of a Carnot engine working between temperatures T₁ and T₂ (T₁ < T₂) is

(T₂ - T₁)/T₁
(T₁ - T₂)/T₂
(T₁ - T₂)/T₁
(T₂ - T₁)/T₂

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Chemical Engineering Thermodynamics
A gas shows deviation from ideal behaviour at

Low pressure and low temperature
High temperature and high pressure
Low temperature and high pressure
Low pressure and high temperature

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Chemical Engineering Thermodynamics
Which is an example of closed system?

Liquid cooling system of an automobile
Air compressor
Boiler
None of these

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