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.

Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of „scrappers‟ ?
A Bucket conveyor
B Flight conveyor
C Screw conveyor
D Both B. and C.
Correct Answer: Both B. and C.
Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them ?
A Jaw crusher, Ball mill, Fluid energy mill
B Ball mill, Jaw crusher, Fluid energy mill
C Fluid energy mill, Jaw crusher, Ball mill
D Fluid energy mill, Ball mill, Jaw crusher
Correct Answer: Jaw crusher, Ball mill, Fluid energy mill
Additives used for promoting the flocculation of particles is a/an _____________________?
A Electrolyte
B Surface active agent
C Both A. & B.
D Neither A. nor B.
Correct Answer: Both A. & B.
For separation of sugar solution from settled out mud, we use a ___________________ filter?
A Sparkler
B Plate and frame
C Centrifugal
D Rotary drum vacuum
Correct Answer: Centrifugal
The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the__________________?
A Venturi atomiser
B Gravity settling chamber
C Electro-static precipitator
D Cyclone separator
Correct Answer: Electro-static precipitator
The maximum slope of a belt conveyor can be_____________________?
A 15°
B 30°
C 45°
D 60°
Correct Answer: 30°
______________________ balls capable of grinding the feed in a ball mill gives the maximum efficiency ?
A Cast iron
B Minimum size
C Maximum size
D Elliptical
Correct Answer: Minimum size
A belt conveyor used for the transportation of materials can___________________?
A Run upto 1 km
B Travel at a speed upto 300 metres/minute
C Handle materials upto 5000 tons/hr
D All A., B. and C.
Correct Answer: All A., B. and C.
Which of the following is the most suitable for handling fibrous and dense slurries ?
A Propeller agitator
B Cone type agitator
C Turbine agitator
D Radial propeller agitator
Correct Answer: Cone type agitator
According to Bond crushing law, the work required to form particle of size ‘D’ from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively) ?
A (S/V)p
B √(S/V)p
C (S/V)2p
D (S/V)f
Correct Answer: (S/V)p