Explore topic-wise MCQs in Mechanical Operations.

This section includes 7 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.

Use of draft tubes _________________

A. Add to the fluid friction
B. Have no effect on fluid friction
C. Reduce fluid friction
D. Depend on the type of Fluid
Answer» B. Have no effect on fluid friction
Discussion
2.

Using draft tubes is a limitation?

A. True
B. False
Answer» C.
Discussion
3.

In a turbine, where are the draft tubes mounted?

A. Immediately above the impeller
B. Immediately below the impeller
C. Around the impeller
D. On the impeller
Answer» B. Immediately below the impeller
Discussion
4.

In a propeller, where are the draft tubes mounted?

A. Immediately above the impeller
B. Immediately below the impeller
C. Around the impeller
D. On the impeller
Answer» D. On the impeller
Discussion
5.

Draft tubes help to control ________________

A. Only the direction of flow
B. Only the suction to the impeller
C. The direction of flow and suction
D. Neither direction of flow nor suction
Answer» D. Neither direction of flow nor suction
Discussion
6.

Impeller mixers should always have draft tubes.

A. True
B. False
Answer» C.
Discussion
7.

How does the return flow to an impeller approaches the impeller?

A. From above
B. From below
C. From center
D. From all directions
Answer» E.
Discussion