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.

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
Which of the following terms of Vander Walls equation of state for a non-ideal gas accounts for intermolecular forces ?
A RT
B P + (a/V2)
C (V – b)
D 1/RT
Correct Answer: RT