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 3 of 46

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Q21.
Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripherial velocity, m/sec. W = width of rolls, m Dr = distance between rolls ฯ = density of material to be crushed, kg/m³ here, V =ฯ€N.D where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m)
Discuss
Answer: (a).3.6 V.W.Dr.ฯ
Q22.
Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of
Discuss
Answer: (d).either (a), (b) or (c).
Q23.
The value of 'angle of nip' is generally about
Discuss
Answer: (b).32°
Q24.
Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills.
Discuss
Answer: (a).metalliferrous ores
Q25.
Sulphuric acid mist is arrested by using a __________ scrubber.
Discuss
Answer: (c).venturi
Q26.
The main size reduction operation in ultrafine grinders is
Discuss
Answer: (b).attrition
Discuss
Answer: (d).all (a), (b) and (c).
Q28.
The energy required per unit mass to grind limestone particles of very large size to 100 ฮผm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 ฮผrn is
Discuss
Answer: (c).18 kWh/ton
Q29.
The inlet pressure in a constant rate filtration
Discuss
Answer: (a).increases continuously
Q30.
Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill.
Discuss
Answer: (c).both (a) & (b)