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 10 of 46

Q91.
Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids ( > 50000 centipoise) ?
Discuss
Answer: (b).Helical screw
Q92.
__________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals.
Discuss
Answer: (b).Selectivity index
Q93.
Maximum size reduction in a ball mill is done by the, __________ action.
Discuss
Answer: (c).impact
Q94.
increasing the capacity of a screen __________ the screen effectiveness.
Discuss
Answer: (a).decreases.
Q95.
The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to
Discuss
Answer: (c).
Discuss
Answer: (a).calls for relatively less energy for the smaller product particles, than does the Rittinger law.
Q97.
Flow of filtrate through the cake in a plate and frame filter press is best described by the __________ equation.
Discuss
Answer: (a).Kozney-Karman
Q98.
Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its
Discuss
Answer: (a).easier grindability
Q99.
Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm)
Discuss
Answer: (b).0.087 L.S
Q100.
Vacuum is applied in __________ zone, in case of a general type continuous rotary drum vacuum filter.
Discuss
Answer: (d).all (a), (b) & (c)