Mechanical Operations MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Mechanical Operations, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Mechanical Operations MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Mechanical Operations mcq questions that explore various aspects of Mechanical Operations problems. Each MCQ is crafted to challenge your understanding of Mechanical Operations principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Mechanical Operations MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Mechanical Operations. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Mechanical Operations knowledge to the test? Let's get started with our carefully curated MCQs!

Mechanical Operations MCQs | Page 1 of 46

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Q1.
General crushing equation is given by following equation. Bond's crushing law is obtained by solving this equation for n = __________ and feed of infinite size.
Discuss
Answer: (b).1.5
Q2.
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.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q3.
Critical Speed (Nc) of a ball mill is given by(where Rโ‚ and Rโ‚‚ are radii of ball mill and the ball respectively).

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q4.
Which of the following equations is Rittinger's crushing law ?
(where P = power required by the machine, m = feed rate, k = a constant, Dฬ…sa & Dฬ…sb = volume surface mean diameter of feed & product respectively.)

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q5.
About 2-3 hp, power per gallon of a thin liquid provides vigrous agitation in an agitator. 'Power number' in agitation is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q6.
The value of 'angle of nip' is generally about
Discuss
Answer: (b).32°
Q7.
Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills.
Discuss
Answer: (a).metalliferrous ores
Q8.
Sulphuric acid mist is arrested by using a __________ scrubber.
Discuss
Answer: (c).venturi
Q9.
The main size reduction operation in ultrafine grinders is
Discuss
Answer: (b).attrition
Discuss
Answer: (d).all (a), (b) and (c).