M C Q s D r i v e

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.

In _______________ process, ions of salts react with water to produce acidity or alkalinity ?
A Hydration
B Hydrolysis
C Electrolysis
D Dialysis
Correct Answer: Hydrolysis
The value of (Cp – Cv) for a real gas obeying Vander Wall’s equation is____________________?
A R
B > R
C < R
D 0.5 R
Correct Answer: R
One ‘Therm’ is equivalent to___________________?
A 105 BTU
B 105 kcal
C 109 BTU
D 109 kcal
Correct Answer: 105 BTU
Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is_________________?
A 1.72
B 0.58
C 0.5
D 0.2
Correct Answer: 0.58
How much O2 can be obtained from 90 kg of water ?
A 32 kg
B 80 kg
C 64 kg
D 90 kg
Correct Answer: 80 kg
What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20) ?
A AB3
B A2B3
C A2B
D AB2
Correct Answer: AB3
Which of the following has the smallest least effect on the solubility of a solute into the solvent ?
A Nature of the solute
B Nature of the solvent
C Temperature
D Pressure
Correct Answer: Pressure
Normality of a solution does not change with the increase in the __________________?
A Pressure
B Temperature
C Solute concentration
D Dilution of the solution
Correct Answer: Pressure
The depression in freezing point of a solution is________________?
A Inversely proportional to the mass of solvent
B Directly proportional to the mole of solute
C Both A. and B.
D Neither A. nor B.
Correct Answer: Both A. and B.
At higher temperatures, molal heat capacities for most of the gases (at constant pressure) _______________ with increase in temperature?
A Varies linearly
B Increases
C Decreases
D Does not vary
Correct Answer: Increases