Civil Engineering - Surveying - Discussion
Discussion Forum : Surveying - Section 3 (Q.No. 16)
16.
In case of reduction of levels by the height of instrument method,
Discussion:
22 comments Page 1 of 3.
Arjun m said:
6 years ago
When we are writing as equation format first-last and last- first matters.
But mentioning as the difference of Last RL and First RL /Last RL and First RL is same.
But mentioning as the difference of Last RL and First RL /Last RL and First RL is same.
(1)
Kundarikaksha said:
9 years ago
Answer (A) is incorrect as the correct answer would be the difference in R. Ls of last & first station. Therefore (D) is the only option that matches.
Sayak sarkar said:
9 years ago
The question is about the height of instrument method, not for rise & fall method. the Correct answer is D.
(1)
Tapendra Bista said:
2 years ago
The Right Answer is option A Because Hight of the instrument = bs - fs = last rl - first rl.
(4)
Pankaj jha said:
7 years ago
B.S. - F.S. = difference in R.L.S of the first station and last station is correct.
Pavan said:
7 years ago
In options, it is First RL -Last RL which is wrong. Last RL-First RL is correct.
Nayan ahir said:
8 years ago
For collimation method or Hight of instrument method. Answer A is correct.
Dhan Bahadur bist said:
4 years ago
Height of instruments method is;
= Sum Bs - sum fs= last Rl - first Rl.
= Sum Bs - sum fs= last Rl - first Rl.
(1)
ManiSivan said:
6 years ago
Arithmetic check :
Sum of BS - Sum of FS = Last RL - First RL
Sum of BS - Sum of FS = Last RL - First RL
Raihan KAIZEN said:
7 years ago
Yes, absolutely option D is the correct option. I agree.
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