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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

Tabular bowl centrifuges as compared to disk bowl centrifuges___________________?
A Operate at higher speed
B Employ bowl of larger diameter
C Can’t be operated under pressure/vacuum
D Can’t be used for separation of fine suspended solids from a liquid
Correct Answer: Operate at higher speed
Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is_____________________?
A 0.01 to 0.1
B 0.1 to 0.3
C 0.2 to 0.8
D 0.2 to 0.4
Correct Answer: 0.2 to 0.8
If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the_________________?
A Linear speed of the basket is doubled
B Linear speed of the basket is halved
C Centrifugal force is doubled
D Capacity of centrifuge is increased
Correct Answer: Centrifugal force is doubled
Size reduction of _____________ is accomplished in steam heated rollers and roll crushers?
A Resins
B Gums
C Hard rubber
D Waxes
Correct Answer: Hard rubber
What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls?
A 16°
B 32°
C 40°
D 46°
Correct Answer: 32°
Supporting legs of a plate and frame filter is normally made of________________?
A Stainless steel
B Cast iron
C High speed steel
D Wooden plank
Correct Answer: Cast iron
Highly viscous liquids & pastes are agitated by________________?
A Propellers
B Turbine agitators
C Multiple blade paddles
D None of these
Correct Answer: Multiple blade paddles
Which of the following is not an industrial screening equipment ?
A Sharpies centrifuge
B Vibrating screen
C Grizzly
D Trommel
Correct Answer: Sharpies centrifuge
Which of the following mineral dressing operations is termed as ‘comminution’?
A Panning
B Spiralling
C Tabling
D None of these
Correct Answer: None of these
200 mesh sieve size corresponds to _____________ microns?
A 24
B 74
C 154
D 200
Correct Answer: 74
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