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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Domestic refrigerator usually works on the __________ refrigeration cycle.

Vapour-ejection
Air
Carnot
Absorption

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Chemical Engineering Thermodynamics
1/V (∂V/∂T)p is the mathematical expression

Specific heat at constant volume (CV)
Co-efficient of thermal expansion
Joule-Thomson co-efficient
Specific heat at constant pressure (Cp)

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Chemical Engineering Thermodynamics
In an ideal refrigeration cycle, the change in internal energy of the fluid is

-ve
+ve
Either of the above three ; depends on the nature of refrigerant

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Chemical Engineering Thermodynamics
Free energy changes for two reaction mechanism 'X' and 'Y are respectively - 15 and - 5 units. It implies that X is

Slower than Y
Faster than Y
Three times slower than Y
Three times faster than Y

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Chemical Engineering Thermodynamics
For a cyclic process, a fixed ratio between heat and work

Never exists
Is difficult to predict
Always exists
May exist

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Chemical Engineering Thermodynamics
4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is

4 J
8 J
Zero
∞

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