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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Ideal gas law is applicable at

Low T, low P
High T, low P
High T, high P
Low T, high P

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Chemical Engineering Thermodynamics
Variation of equilibrium pressure with temperature for any two phases of a given substances is given by the __________ equation.

Clayperon
Maxwell's
None of these
Gibbs-Duhem

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Chemical Engineering Thermodynamics
The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance.

Simultaneous pressure & temperature change
Heating
Both B and C
Cooling

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Chemical Engineering Thermodynamics
Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)?

Carnot cycle
Air cycle
Ordinary vapour compression cycle
Vapour compression with a reversible expansion engine

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Chemical Engineering Thermodynamics
For a thermodynamic system containing 'x' chemical species, the maximum number of phases that can co-exist at equilibrium is

X + 3
X + 2
X + 1
X

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

Separating
Throttling
Bucket
A combination of separating & throttling

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