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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Linde gas liquefaction process employs cooling

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

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Chemical Engineering Thermodynamics
__________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low.

Throttling
A combination of separating & throttling
Bucket
Separating

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Chemical Engineering Thermodynamics
The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is

0.5 RT
-2 RT ln 0.5
-RT ln 0.5
2 RT

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Chemical Engineering Thermodynamics
The first law of thermodynamics is a restatement of the law of conservation of

None of these
Energy
Momentum
Mass

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Chemical Engineering Thermodynamics
The activity of an ideal gas is numerically __________ its pressure.

Equal to
More than
Less than
Data insufficient, can't be predicted

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Chemical Engineering Thermodynamics
In a homogeneous solution, the activity co-efficient of a component depends upon the

Pressure
Composition
Temperature
All of these

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