Civil Engineering - Surveying - Discussion
Discussion Forum : Surveying - Section 7 (Q.No. 17)
17.
If 50 m point of a 100 m tape is 50 cm off line, and 50 m sections are straight, an error is generated equal to
.Discussion:
12 comments Page 2 of 2.
Abhi said:
4 years ago
Thanks @Civima for explaining the answer.
Nidhe Narayan said:
1 month ago
e=h²/2l.
Where h= 50cm= 0.5m.
Total length =100m,
l = 50m.
So, 100m tape is divided into 2 section.
Total error = 2×h^²/2l= h^²/l.
= (0.5)^²/50= 0.005m.
Ratio = Total error/Total length,
= 0.005/100.
= 1/20,000 (C) is the correct answer.
Where h= 50cm= 0.5m.
Total length =100m,
l = 50m.
So, 100m tape is divided into 2 section.
Total error = 2×h^²/2l= h^²/l.
= (0.5)^²/50= 0.005m.
Ratio = Total error/Total length,
= 0.005/100.
= 1/20,000 (C) is the correct answer.
(1)
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers