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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
At triple point (for one component system), vapour pressure of solid as compared to that of liquid will be

Less
More or less ; depending on the system
Same
More

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Chemical Engineering Thermodynamics
Which of the following is not a unit of the equilibrium constant Kp? (where, Δx = number of moles of products number of moles of reactants)

Dimensionless, when Δx = 0
(atm)Δx, when Δx is negative
(atm)Δx2, when Δx > 0
(atm)Δx, when Δx is positive

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Chemical Engineering Thermodynamics
What is the value of Joule-Thomson co-efficient for an ideal gas?

-ve
∞
+ve

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Chemical Engineering Thermodynamics
The accentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always

< 1
> 1
> 2
< 3

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Chemical Engineering Thermodynamics
Specific __________ does not change during phase change at constant temperature and pressure.

Enthalpy
Internal energy
Gibbs energy
Entropy

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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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MORE MCQ ON Chemical Engineering Thermodynamics

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