Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 2 (Q.No. 17)
17.
Mercury (density = 13600 kg/m3, σ = 0.49N/mm internal diameter open-ended capillary tube is inserted in the middle of the beaker into the mercury. The meniscus in the tube will be below the external mercury surface by how much distance?
4.2 mm
5.7 mm
6.8 mm
7.3 mm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Vaibhav said:   8 years ago
Capillary rise (H) = (2*0.49) *10^2/13.6*9.81=7.3 mm.

Rohit said:   10 years ago
How to calculate without dia of tube? Is it 6 mm?

Ravi said:   1 decade ago
Dia is not provided. Can we calculate without dia?

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