Explore topic-wise MCQs in Fluid Mechanics.

This section includes 5 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.

The best place to place a pitot tube on an aircraft for velocity measurement is just behind the jet engine.

A. True
B. False
Answer» C.
Discussion
2.

If compressibility force and surface tension force are neglected from the Newton s second law of motion, which of the following equations result?

A. Navier-Stokes equation
B. Euler s equation
C. Bernoulli s equation
D. Reynolds equation
Answer» E.
Discussion
3.

A student wishes to find the velocity of air flowing through a pipe. He has a pressure gauge which displays only the dynamic pressure. The pressure gauge reads 0.018 mm Hg. Assume density of air to be 1.225 kg/m3, find the velocity V of air ( Hg = 13600 kg/m3).

A. 4 m/s
B. 2 m/s
C. 20 m/s
D. 40 m/s
Answer» C. 20 m/s
Discussion
4.

A water flows through a pipe at a velocity 2 m/s. The pressure gauge reading is 2 bar. The datum head is given to be 2 m. Find the piezometric head. (Assume all Bernoulli s assumptions, Density of water = 1000 kg/m3, g = 9.8 m/s2).

A. 22.4 m
B. 22.6 m
C. 20.4 m
D. 20.6 m
Answer» B. 22.6 m
Discussion
5.

The Bernoulli s equation in fluid dynamics is valid for _________

A. Compressible flows
B. Transient flows
C. Continuous flows
D. Viscous flows
Answer» D. Viscous flows
Discussion