M C Q s D r i v e
03079682698
mcqsdrive@gmail.com
About
Contact

Contact Info

03079682698

mcqsdrive@gmail.com

Ad Banner

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

thumb

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

What is the value of Joule-Thomson co-efficient for an ideal gas ?
A +ve
B -ve
C 0
D ∞
Correct Answer: 0
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__________________?
A 1.572
B 1.9398
C 3.389
D 4.238
Correct Answer: 1.572
In any spontaneous process, the ______________ free energy decreases ?
A Helmholtz
B Gibbs
C Both A. & B.
D Neither A. nor B.
Correct Answer: Both A. & B.
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: ∞
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
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
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
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
For any system, what is the minimum number of degrees of freedom ?
A 0
B 1
C 2
D 3
Correct Answer: 0
What is the degree of freedom for two miscible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope ?
A 0
B 1
C 2
D 3
Correct Answer: 2
03079682698
mcqsdrive@gmail.com

Copyright @ 2026 MCQsDrive . All Rights Reserved.