Explore topic-wise MCQs in Mechanical Operations.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Operations knowledge and support exam preparation. Choose a topic below to get started.

1.

When _______ occurs below a critical power input the gas bubbles are not affected laterally but move upward.

A. Weeping
B. Flooding
C. Mixing
D. Entrainment
Answer» C. Mixing
2.

Mixing of liquids and suspension of solids may be accomplished by ______

A. Dryer
B. Sparger
C. Clamper
D. Bolder
Answer» C. Clamper
3.

What is the unit of dimensional constant?

A. lb. ft. / lb. force sec
B. lb. ft. / lb. force sec<sup>2</sup>
C. lb. ft. / lb. force sec<sup>-1</sup>
D. lb. ft2. / lb. force sec
Answer» C. lb. ft. / lb. force sec<sup>-1</sup>
4.

What does the below equation represent?
ub = 0.7 (gDb )

A. Bed velocity
B. Bubble velocity
C. Bank velocity
D. Bishop velocity
Answer» C. Bank velocity