Explore topic-wise MCQs in Fluid Mechanics.

This section includes 4 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.

For a compressible fluid the kinematic viscosity is affected by temperature and pressure variation.

A. True
B. False
Answer» B. False
2.

In liquids in order to measure the viscosity of fluid experimentally we consider the variation of shear stress with respect to what property?

A. strain
B. shear strain
C. rate of shear strain
D. none of the mentioned
Answer» D. none of the mentioned
3.

If a fluid, which has a constant specific gravity, is taken to a planet where acceleration due to gravity is 3 times compared to its value on earth, what will happen to its kinematic viscosity.

A. It increases
B. It decreases
C. It remains constant
D. None of the above
Answer» D. None of the above
4.

Two horizontal plates placed 250mm have an oil of viscosity 20 poises. Calculate the shear stress in oil if upper plate is moved with velocity of 1250mm/s.

A. 20 N/m<sup>2</sup>
B. 2 N/m<sup>2</sup>
C. 10 N/m<sup>2</sup>
D. None of the mentioned
Answer» D. None of the mentioned