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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

All Topics  9594

Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole. °K___________________?
A 0
B ∞
C 50
D 100
Correct Answer: ∞
Which of the following exemplifies an adiabatic process ?
A Melting of ice
B Condensation of alcohol vapor
C Sudden bursting of a cycle tube
D Evaporation of water
Correct Answer: Sudden bursting of a cycle tube
The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)____________________?
A V1/V2
B V2/V1
C V1 – V2
D V1.V2
Correct Answer: V1/V2
Reduced pressure of a gas is the ratio of its__________________?
A Pressure to critical pressure
B Critical pressure to pressure
C Pressure to pseudocritical pressure
D Pseudocritical pressure to pressure
Correct Answer: Pressure to critical pressure
The freezing point of a liquid decreases when the pressure is increased, if the liquid ____________ while freezing?
A Contracts
B Expands
C Does not change in volume
D Either (A), B. or (C)
Correct Answer: Contracts
Melting of wax is accompanied with ______________ in entropy?
A Increase
B Decrease
C No change
D None of these
Correct Answer: Increase
The number of degrees of freedom for an azeotropic mixture in a two component vapourliquid equilibria is/are__________________?
A Zero
B One
C Two
D Three
Correct Answer: One
The number of degree of freedom for an Azeotropic mixture of ethanol and water in vapourliquid equilibrium, is__________________?
A 3
B 1
C 2
D 0
Correct Answer: 1
At the critical point of a substance____________?
A The surface tension vanishes
B Liquid and vapour have the same density
C There is no distinction between liquid and vapour phases
D All A, B. and C
Correct Answer: All A, B. and C
Standard temperature and pressure (S.T.P.) is__________________?
A 0°C and 750 mm Hg
B 15°C and 750 mm Hg
C 0°C and 1 kgf/cm2
D 15°C and 1 kgf/cm2
Correct Answer: 0°C and 750 mm Hg
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