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

Q21.
The main size reduction operation in ultrafine grinders is
Discuss
Answer: (b).attrition
Discuss
Answer: (d).all (a), (b) and (c).
Q23.
The energy required per unit mass to grind limestone particles of very large size to 100 μm 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 μrn is
Discuss
Answer: (c).18 kWh/ton
Q24.
Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm) ?
Discuss
Answer: (d).Froth floatation
Discuss
Answer: (a).Removal of iron from ceramic material is necessitated (by magnetic separation method) so as to avoid discolouration of ceramic products.
Q26.
Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is
Discuss
Answer: (c).0.2 to 0.8
Q27.
Highly viscous liquids & pastes are agitated by
Discuss
Answer: (c).multiple blade paddles
Q28.
Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor.
Discuss
Answer: (d).screw
Q29.
Equivalent diameter of a particle is the diameter of the sphere having the same
Discuss
Answer: (a).ratio of surface to volume as the actual volume.
Q30.
If dₚ is the equivalent diameter of a non-spherical particle, Vₚ its volume and sₚ its surface area, then its sphericity is Φₛ is defined by
Discuss
Answer: (a).Φₛ = 6 Vₚ/dₚ sₚ
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