Civil Engineering - Surveying - Discussion
Discussion Forum : Surveying - Section 4 (Q.No. 5)
5.
Which of the following introduces an error of about 1 in 1000 if 20 m chain is used
Discussion:
12 comments Page 2 of 2.
Maithri said:
5 years ago
Can you explain how you got 0.89 @Sudip.
Shah Sawar said:
4 years ago
Slope Correction or error = h^2/2L.
Now we want to find the difference in height of chain ends for which 1 in 1000 or 20 mm in 20 m chain length will produce.
0.02 = h^2/(2 x 20),
h = 0.9 m,
So, option B along with A, C options is correct.
Now we want to find the difference in height of chain ends for which 1 in 1000 or 20 mm in 20 m chain length will produce.
0.02 = h^2/(2 x 20),
h = 0.9 m,
So, option B along with A, C options is correct.
(4)
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers