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

Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, ζ = yield strength and E = modulus of elasticity) ?
A E
B ζ
C ζ/E
D E/ζ
Correct Answer: E
Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about _______________ mm Hg (referred to a 760 mm mercury barometer)?
A 250
B 450
C 650
D 750
Correct Answer: 650
A/an _______________ is used for changing the direction of a pipeline?
A Elbow
B Union
C Flange
D Disc compensator
Correct Answer: Elbow
In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be_________________?
A Same as that for fluid flow
B Less than that for fluid flow
C More than that for fluid flow
D D2 – D1 (D1 and D2 are I.D. of inner and outer pipes respectively)
Correct Answer: More than that for fluid flow
At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure____________________?
A Increases
B Decreases
C Remain same
D May increase or decrease depending upon the solubility of the gas in the liquid
Correct Answer: Remain same
In case of saddle packing (e.g., berl and intralox saddles), the maximum size of the packing should not exceed ______________ of the column diameter?
A 1/5th
B 1/15th
C 1/30th
D 1/50th
Correct Answer: 1/15th
Frame thickness in the plate and frame filter press is normally in the range of ______________ inches?
A 0.25 to 4
B 0.25 to 8
C 1 to 5
D 1 to 12
Correct Answer: 0.25 to 8
In a shell and tube heat exchanger, the clearance of the tube is generally___________________?
A Not less than one-fourth of the tube diameter or 3/16″
B More than the tube diameter
C Equal to the tube diameter
D More in case of triangular pitch as compared to the square pitch tube layout
Correct Answer: Not less than one-fourth of the tube diameter or 3/16″
The length of straight rectangular weir used on cross-flow trays is generally ________________ the column diameter ?
A 0.6-0.8 times
B Equal to
C Twice
D 2 ft irrespective of (for column > 3 ft diameter)
Correct Answer: 0.6-0.8 times
Cylindrical shell thickness of rotary drier is generally _______________ mm?
A 2-3
B 18-22
C 6-8
D 12-15
Correct Answer: 6-8
03079682698
mcqsdrive@gmail.com

Copyright @ 2026 MCQsDrive . All Rights Reserved.