# Mcq on thin and thick cylinder

The Mechanical engineering, is playing a vital role in today's Technology.
It Assist you to done things with ease, and also it brings the helpful technologies to modernize our society.

So keeping these things in mind, Lets learn about the topic of Mcq on thin cylinder and thick cylinder.

Multiple choice questions (MCQ)on thin and thick cylinder.
 Thin cylinder

Oblective questions:

1. The units of discharge or flow rate in cylinder is equal to...

a) m/s
b) m2/s
c) m3/s
d) m

2. Hoop stress or in a thick cylinder must be maximum at the outermost radius.
A. True
B. False

3. Lamar theory must be associating for thin cylindrical shells Is true or false..
A. True
B. False

4. In hydraulic structures the flow of water through openings is controlled by means of sluice gates.
a) True
b) False

5. Hoop stress in a thick cylinder outermost shell is maximum at it's in radius.
A. True
B. False

6. Lock gates are used to changing the water level in the canal.
a) True
b) False

7. When diameter of pressure vessel is 20 times wall thickness, then the vessel is called as thin shelled vessel.
a) True
b) False

8. For most economical section the wetted perimeter should be minimum.
a) True
b) False

9. Design of thin cylinder is on which factor based..
A. Hoop stress
B. Longitudinal stress
C. Bending stress
D. Shear stress

10. What is coefficient of rugosity to the brick lining surface.
a) 0.011
b) 0.012
c) 0.015
d) 0.013

11. Hoop stress in the thin cylindrical shelled is..
A. Longitudinal stress
D. Circumference tensile stress

12. Lame's theory is associating for which factor..
A. Thick cylinder
B. Thin cylinder
C. Both of cylinder
D. None of these

13. In a channel is said to be the most economical if it gives the maximum discharge under given c/s area, bottom slope and rough-ness.
a) True
b) False

14. What is the hydraulic depth (d) of the rectangular section?
a) b
b) 1/3 b
c) b2
d) b/5

15. Hydraulic depth is the ratio of wetting area to the its...
a) Bottom width
b) Top width
c) Diameter

16. Hydraulic radius is the ratio of wetted area to the wetted perimeter.
a) True
b) False

17. Cylindrical Pr. vessel is known as thin shell when  the ratio of its wall thickness of the vessel to the diameter is .............. 1/10.
A. Smaller than
B. Greater than
C. Equal to
D. None of these

18. The longitudinal stress is......of the circumferential or hoop stress.
a) Double
b) one third
c) Half
d) one forth

Here we concluding, If you have any queries about this topic then feel free to comment below.

To get more articles please check on

Related articles:

Previous Post
Next Post