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 18 of 46

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Discuss
Answer: (c).Crushing efficiency is the ratio of the energy absorbed by the solid to the surfaces energy created by crushing.
Q172.
Addition of filter aid to the slurry before filtration is done to ...... of the cake.
Discuss
Answer: (a).increase the porosity
Q173.
Which of the following terminology is not used for size reduction of materials to fine sizes or powders?
Discuss
Answer: (d).Compression
Discuss
Answer: (d).all (a), (b) and (c).
Q175.
Kick's law assumes that the energy required for size reduction is proportional to the logarithm of the ratio between the initial and the final diameters. The unit of Kick's constant is
Discuss
Answer: (a).kW. sec/kg
Q176.
The sphericity of a cylinder of 1 mm diameter and length 3 mm is
Discuss
Answer: (a).0.9
Q177.
Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm.
Discuss
Answer: (b).0.30
Q178.
What is the selectivity index, if the grade of tailings & concentrate is the same ?
Discuss
Answer: (c).1
Q179.
The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a
Discuss
Answer: (a).boundary mixer.
Q180.
Traces of solids are removed from, liquid in a
Discuss
Answer: (b).clarifier