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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Claude's liquefaction process employs the cooling of gases by

Expansion in an engine
Following a constant pressure cycle
None of these
Throttling

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Chemical Engineering Thermodynamics
A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system

Its internal energy (U) decreases and its entropy (S) increases
U decreases but S is constant
U and S both decreases
U is constant but S decreases

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Chemical Engineering Thermodynamics
A solid is transformed into vapour without going to the liquid phase at

Triple point
Below triple point
Boiling point
Always

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

Separating
Bucket
Throttling
A combination of separating & throttling

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Chemical Engineering Thermodynamics
For the gaseous phase chemical reaction, C₂H₄(g) + H₂O(g) ⟷ C₂H₅OH(g), the equilibrium conversion does not depend on the

None of these
Temperature
Pressure
Steam to ethylene ratio

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Chemical Engineering Thermodynamics
Refrigeration cycle

Neither A nor B
Violates second law of thermodynamics
Involves transfer of heat from low temperature to high temperature
Both A and B

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