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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
In an adiabatic process, the

Temperature change is zero
Enthalpy remains constant
Heat transfer is zero
Work done is a path function

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Chemical Engineering Thermodynamics
Normal temperature and pressure (N.T.P.) corresponds to

0°C and 760 mm Hg
15°C and 760 mm Hg
20°C and 760 mm Hg
0°C and 1 kgf/cm²

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Chemical Engineering Thermodynamics
Which of the following has the least thermal efficiency?

Steam engine
Carnot engine
Diesel engine
Otto engine

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Chemical Engineering Thermodynamics
For a multicomponent system, the term chemical potential is equivalent to the

Partial molar free energy
Molal concentration difference
Molar free energy
Molar free energy change

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Chemical Engineering Thermodynamics
A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system

Its internal energy (U) decreases and its entropy (S) increases
U is constant but S decreases
U and S both decreases
U decreases but S is constant

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Chemical Engineering Thermodynamics
The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is

Less
Same
Dependent on climatic conditions
More

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MORE MCQ ON Chemical Engineering Thermodynamics

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