Civil Engineering - Surveying - Discussion
Discussion Forum : Surveying - Section 2 (Q.No. 15)
15.
A dumpy level was set up at the midpoint between two pegs A and B, 50 m apart and the staff readings at A and B were 1.22 and 1.06. With the level set up a A, the readings at A and B were 1.55 and 1.37. The collimation error per 100 m length of sight is
Discussion:
20 comments Page 2 of 2.
Sunny said:
6 years ago
Yes, you are right, thanks @Deep.
Nishant said:
7 years ago
Yes, your are right @DEEP.
Deep said:
7 years ago
Formula of errors =(b1-a1)-(b2-a2)/2.
Now, e = (1.06-1.22)-(1.37-1.55)/2 =0.01for 50 m and for 100 m error = 2 *0.01 = 0.02 upward.
Now, e = (1.06-1.22)-(1.37-1.55)/2 =0.01for 50 m and for 100 m error = 2 *0.01 = 0.02 upward.
Sooraj said:
9 years ago
Thank you so much @Pagavan Doss.
SANDEEP said:
9 years ago
Thank you @Pagavan Doss.
Aarti Nepal said:
9 years ago
Thank you so much @M.Pagavan Doss.
Swapnil said:
9 years ago
Thanks for explaining easily.
Ashok said:
9 years ago
When the level is not set at the center what distance can I take instead of 50m?
MD SADDAM said:
9 years ago
Please help about B.O.D & C.O.D formula.
Sammy said:
9 years ago
Best explanation.
Thanks @M.Pagavan Doss.
Thanks @M.Pagavan Doss.
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