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 4 of 46

Q31.
Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill )
Discuss
Answer: (c).D^2.5
Discuss
Answer: (c).Size enlargement (opposite of size reduction) is not a mechanical operation.
Q33.
The distribution given by microscopic analysis of powder is
Discuss
Answer: (a).number
Q34.
Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vₚ = volume of one particle, ρ= density of particles)
Discuss
Answer: (a).m/ρ . Vₚ
Discuss
Answer: (a).is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle.
Q36.
In washing type plate and frame filter press, the ratio of washing rate to the final filtrate rate is
Discuss
Answer: (b).1/4
Q37.
Ball mills and tube mills with flint or porcelain balls are used for size reduction of
Discuss
Answer: (c).non-metallic ores
Q38.
Jigging is a technique by which different particles can be
Discuss
Answer: (a).separated by particle size.
Q39.
Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill.
Discuss
Answer: (a).impact
Q40.
Balls for ball mills are never made of
Discuss
Answer: (b).lead
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