Mcq on Fluid statics - Fluid mechanics

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Mcq on Fluid statics - Fluid mechanics
Mcq on Fluid statics - Fluid mechanics


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

Answer:- B
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

Answer:- B

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

Answer:- A

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

Answer:- B

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

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

Answer:- B

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

Answer:- A

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

Answer:- A

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

Answer:- C
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

Answer:- A

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

Answer:- D

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

Answer:- A

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

Answer:- B

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

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

Answer:- B

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

Answer:- A

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

Answer:- A

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

Answer:- A

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

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

Answer:- A

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

Answer:- B

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

Answer:- B
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

Answer:- D

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

Answer:- C

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

Answer:- D


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