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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Linde gas liquefaction process employs cooling

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

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Chemical Engineering Thermodynamics
At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is

3.389
4.238
1.572
1.9398

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Chemical Engineering Thermodynamics
For the reversible exothermic reaction, N₂ + 3H₂ ⇋ 2NH₃, increase of pressure would

Shift the equilibrium towards right
Both B and C
Neither A nor B
Give higher yield of NH₃

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Chemical Engineering Thermodynamics
High __________ is an undesirable property for a good refrigerant.

Specific heat
Specific vapor volume
Viscosity
Latent heat of vaporisation

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Chemical Engineering Thermodynamics
Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of

Transition
Fusion
Vaporisation
Sublimation

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Chemical Engineering Thermodynamics
The work done in isothermal compression compared to that in adiabatic compression will be

Less
Same
More
More or less depending upon the extent of work done

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