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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

Which of the following same diameter columns gives lowest pressure drop per unit height ?
A Bubble-cap column
B Sieve-plate column
C Packed column (stacked)
D Randomly packed column
Correct Answer: Packed column (stacked)
McCabe-Thiele method of binary distillation does not assume that the__________________?
A Sensible heat changes are negligible compared with latent heat changes
B Molar latent heats of all components are equal
C Heat of mixing is negligible
D None of these
Correct Answer: None of these
Which of the following mixtures does not form an azeotrope at atmospheric pressure ?
A Water-alcohol
B Methyl alcohol-acetone
C Butyl acetate-water
D None of these
Correct Answer: None of these
‘Absorption with chemical reaction’ is involved in the removal of__________________?
A Carbon dioxide from gaseous stream using alkaline solution
B Benzol from coke oven gas using solar oil/wash oil
C Ammonia from coke oven gas using refrigerated water
D Tar from coke oven gas in primary gas coolers using chilled water
Correct Answer: Carbon dioxide from gaseous stream using alkaline solution
Which of these columns incurs the lowest pressure drop ?
A Packed column (with stacked packing)
B Packed column (with dumped packing)
C Bubble plate column
D Pulse column
Correct Answer: Packed column (with stacked packing)
Extraction of penicillin employs a ________________ extraction column?
A Centrifugal
B Packed
C Plate
D None of these
Correct Answer: Centrifugal
When adsorption hysteresis is observed, the desorption equilibrium pressure is _________________ that obtained by adsorption?
A Always lower than
B Always higher than
C Same as
D Dependent on the system; can be either lower or higher than
Correct Answer: Always lower than
On addition of solute in the solvent, the ______________ of the solution decreases ?
A Boiling point
B Freezing point
C Vapour pressure
D Both B. and C.
Correct Answer: Both B. and C.
______________ column is the most suitable for achieving the best performance for mass transfer operations involving liquid with dispersed solids ?
A Wetted wall
B Packed
C Plate
D Spray
Correct Answer: Plate
Which of the following equipments is not used for gas dispersion ?
A Agitated vessels
B Bubble cap tray towers
C Perforated sieve tray towers
D Spray towers
Correct Answer: Spray towers
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