# Objective questions:-

1. The fluid pressure is defined as...
A. Force into area
B. Force per unit area
C. Force per unit length
D. None of the above

2. Which of the following is true about the Hydrostatic law...
A. Pressure varies constant with depth
B. Pressure varies linearly with depth
C. Pressure varies exponentially with depth
D. None of the above

3. The force per unit area is called as fluid pressure.
A. True
B. False

4. 1 Torr is equal to...
A. 1m of Hg
B. 1 mm of Hg
C. 10 mm of Hg
D. 10 m of Hg

5. The point below which molecular activity stops is called as...
A. Absolute zero
B. Absolute
C. High point
D. None of the above

6. The temperature at absolute zero is...
A. 273°C
B. -273°C
C. 273K
D. - 273K

7. The local atmospheric pressure is measured using barometer.
A. True
B. False

8. The pressure measured bi a device with respect to local atmospheric pressure is called as gauge pressure.
A. True
B. False

9. The gauge pressure may be....
A. Positive
B. Negative
C. Positive or negative
D. None of the above

10. The gauge pressure at the bottom of 50 m deep in fresh water lake is...... kPa
A. 490.5
B. 460.5
C. 500
D. 590.5

11. The pressure below atmospheric pressure is called as.....
A. Vacuum pressure
B. Suction pressure
C. Negative gauge pressure
D. All of the above

12. The gauge pressure may be positive or negative both.
A. True
B. False

13. The working of hydraulic system is on the which of the following principle...
a) Archimedes principle
b) Pascal’s principle
c) Bernoulli’s Principle
d) Newton’s second law of motion

14. The wings of aeroplane is designed by which of the following principle...
a) Archimedes principle
b) Pascal’s principle
c) Bernoulli’s Principle
d) Newton’s second law of motion

15. The father of fluid mechanics is...
a) Stephen Prokofievitch Timoshenko
b) Ludwig Prandtl
c) Singh Kapany
d) Samuel Colville Lind

16. The fluid in a static condition has no shear stress.
A. True
B. False

17. The Fluid mechanics is working on the Pascal's law.
A. True
B. False

18.Which causes the turbulence in flowing fluid.
a) Kinetic energy
b) Pressure
c) Force
d) Potential energy

19. The Pascal law is valid for ideal fluid and real fluid at rest condition.
A. True
B. False

20. The fluid statics is a branch of Fluid mechanics which deals with the flow behaviour under the rest condition.
A. True
B. False

21. An House Door has a dimension of 3 m×2 m due to the heavy Rains the outside air pressure decreases to 0.96 atm but the inside pressure is 1.0 atmosphere.How much force is required to open the the house Door?
A. 25kN
B. 24kN
C. 23kN
D. 26kN

22. The centre of pressure for a rectangular from free liquid surface is..
A. 2/3h
B. 2h/3
C. 3h/4
D. h/2

23. The centre of pressure for a triangle with base on free liquid surface is..
A. 2/3h
B. 2h/3
C. 3h/4
D. h/2

24. The centre of pressure for a triangle with vertex on free liquid surface and base is horizontal is..
A. 2/3h
B. 2h/3
C. 3h/4
D. h/2

25. The static fluid comes in contact with the surfaces then the forces exerted by the fluid on that surfaces this force is called as...
A. Total pressure
B. Hydrostatic force
C. Thrust
D. All of the above

Here we concluding, If you have any queries about the topic of Mcq on fluid statics - fluid mechanics then feel free to comment below.

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