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Civil Engineering - Surveying

Exercise : Surveying - Section 7
6.
The method generally preferred to for contouring an undulating area, is
chain surveying
plane table surveying
tacheometrical surveying
compass surveying.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
If the declination of the needle is 10° W
each of the whole circle reckoning has to be micros by 10°
in the quadrantal method, the correction is positive in the 1st and 3rd quadrants
in the quadrantal method, the corrections is negative in 2nd and 4th quadrants
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
A level when set up 25 m from peg A and 50 m from peg B reads 2.847 on a staff held on A and 3.462 on a staff held on B, keeping bubble at its centre while reading. If the reduced levels of A and B are 283.665 m and 284.295 m respectively, the collimation error per 100 m is
0.015 m
0.030 m
0.045 m
0.060 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
For taking offsets with an optical square on the right hand side of the chain line, it is held
by right hand upside down
by left hand upright
by right hand upright
by left hand up side down.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
If the whole circle bearing of a line is 270°, its reduced bearing is
N 90° W
S 90° W
W 90°
90° W.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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