Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 1 (Q.No. 46)
The sensitiveness of a level tube decreases if
radius of curvature of its inner surface is increased
diameter of the tube is increased
length of the vapour bubble is increased
both viscosity and surface tension are increased.
Answer: Option
No answer description is available. Let's discuss.
16 comments Page 1 of 2.

Deepak said:   8 years ago
The correct answer should be A.

Batman said:   8 years ago
Right @Deepak.

The correct answer is A, as sensitivity is l/r.

PIDER said:   8 years ago
Right @Batman &@Deepak.

Oyke mallick said:   7 years ago
Right option is D because we know sensitiveness is also increased by the increase in the length of the bubble and by a decrease of viscosity and surface tension of the liquid in the level tube ref.

Book C. L Kochher page 261.

Gagan said:   7 years ago
In GS Pandhi, answer D is right.

Ravi raja said:   7 years ago
In formula, R stand for the radius of curvature of bubble Tube.

Balveer said:   7 years ago
Option D is right. I agree.

Radha said:   7 years ago
Actually, all are correct. But viscosity is very important, in bubble tube which others depend on it. So D.

Manjunatha R.N. said:   6 years ago
Yes @Radha.

Chandrakantgadhavi said:   6 years ago
If surface tention decrease with rise of temperature, and viscosity decrease with rise temperature then why sensitivity of bubble tube get decrease whether it's inversely proportional to viscosity and surface tention?

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