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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
The most important application of distribution law is in

Liquid extraction
Evaporation
Distillation
Drying

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Chemical Engineering Thermodynamics
Linde gas liquefaction process employs cooling

None of these
By throttling
By expansion in an engine
At constant pressure

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Chemical Engineering Thermodynamics
In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v₁ = 1 m³ and v₂ 3 m³ ) is max imum, when the value of 'n' is

1.44
1.66
1

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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

349
651
1000
667

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Chemical Engineering Thermodynamics
An ideal liquid refrigerant should

Both A and B
Have low specific heat
Not have unduly high vapour pressure at the condenser temperature
Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils

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

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

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