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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
For a single component two phase mixture, the number of independent variable properties are

Zero
One
Two
Three

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Chemical Engineering Thermodynamics
Which of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system ?

Expansion valve
Refrigerator
Condenser
Compressor

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Chemical Engineering Thermodynamics
The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is

Ax₂
A . x₂²
Ax₁
Ax₁²

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Chemical Engineering Thermodynamics
As the time is passing, entropy of the universe

Remains constant
Data insufficient, can't be predicted
Is decreasing
Is increasing

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Chemical Engineering Thermodynamics
As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T) approaches

None of these
Zero
Infinity
Unity

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Chemical Engineering Thermodynamics
First law of thermodynamics deals with the

Reversible processes only
Direction of energy transfer
None of these
Irreversible processes only

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