Explore topic-wise MCQs in Fluid Mechanics.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Fluid Mechanics knowledge and support exam preparation. Choose a topic below to get started.

1.

A beaker of height 30 cm is partially filled with a liquid and is rotated by an angle as shown.
At this point, the pressure at point B is found to be 5 bar. By what angle should be increased such that the pressure at B gets halved?

A. n<a href="https://www.sanfoundry.com/wp-content/uploads/2017/08/fluid-mechanics-questions-answers-experienced-q13.png"><img alt="The angle increased such that pressure at B gets halved is 15o in given diagram" class="aligncenter size-full wp-image-154547" height="211" src="https://www.sanfoundry.com/wp-content/uploads/2017/08/fluid-mechanics-questions-answers-experienced-q13.png" width="470"/></a>
B. 12<sup>o</sup>
C. 15<sup>o</sup>
D. 17<sup>o</sup>
E. 20<sup>o</sup>
Answer» C. 15<sup>o</sup>
Discussion
2.

A beaker of height 15 cm is partially filled with a liquid and is rotated by an angle as shown.
If the pressure at point B becomes 5 bar, what will be the value of ?

A. n<a href="https://www.sanfoundry.com/wp-content/uploads/2017/08/fluid-mechanics-questions-answers-experienced-q12.png"><img alt="The value of is 70o for beaker of height 15 cm is partially filled with a liquid" class="aligncenter size-full wp-image-154546" height="217" src="https://www.sanfoundry.com/wp-content/uploads/2017/08/fluid-mechanics-questions-answers-experienced-q12.png" width="284"/></a>
B. 30<sup>o</sup>
C. 50<sup>o</sup>
D. 60<sup>o</sup>
E. 70<sup>o</sup>
Answer» E. 70<sup>o</sup>
Discussion
3.

A beaker of height h is completely filled with water. Now two-third of the liquid is replaced by another liquid. If the pressure at the base of the beaker doubled, what is the specific gravity of the liquid poured?

A. 0.5
B. 1
C. 2
D. 2.5
Answer» E.
Discussion