# Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 1 (Q.No. 5)
5.
The intercept of a staff
is maximum if the staff is held truly normal to the line of sight.
is minimum if the staff is held truly normal to the line of sight.
decreases if the staff is tilted away from normal
increases if the staff is tilted towards normal.
Explanation:
No answer description is available. Let's discuss.
Discussion:
34 comments Page 1 of 4.

M. Hasan said:   1 year ago
Yes, B is the correct Answer.

Saipoojith said:   3 years ago
Thanks all for explaining the answer.
(1)

Prit said:   3 years ago
If staff is not vertical, the reading will be too great. If staff is normal to the line of sight the value will be minimum or accurate. It will not be maximum. The intercept of staff increases when it is tilted away from normal and decreases or gets minimum when moved towards normal.
(9)

Rj vishwas said:   3 years ago
When telescope pointing down, then tell me what will happen if we move a vertical staff?

Diya said:   4 years ago
Staff intercept is the difference in reading between top and bottom cross hairs. If the staff is tilted forward or backward from normal, the staff intercept will increase. It is minimum when staff is truly vertical.
(2)

Neha said:   4 years ago
What is the intercept of staff?

SUMON PAUL said:   5 years ago
Reading will increase in both cases, if tilted away or towards. Because it's minimum when staff held normal. So you can't go below the minimum. So answer D is also correct but B is more logical.
(1)

Waqar said:   5 years ago
Thanks @Aman and @Jeevitha.

Nitesh said:   6 years ago
Staff intercept: is the difference between the reading measured at top cross hair and bottom cross hair of telescope.

Suraj said:   6 years ago
According to definition, only answer B is correct.