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Civil Engineering - Surveying

Exercise : Surveying - Section 1
6.
The radius of curvature of the arc of the bubble tube is generally kept
10 m
25 m
50 m
100 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
If S is the length of a subchord and R is the radius of simple curve, the angle of deflection between its tangent and sub-chord, in minutes, is equal to
573 S/R
573 R/S
171.9 S/R
1718.9 R/S
1718.9 S/R.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The real image of an object formed by the objective, must lie
in the plane of cross hairs
at the centre of the telescope
at the optical centre of the eye-piece
anywhere inside the telescope.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
In chain surveying tie lines are primarily provided
to check the accuracy of the survey
to take offsets for detail survey
to avoid long offsets from chain lines
to increase the number of chain lines.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Pick up the correct statement from the following :
the tangent screw enables to give small movement under conditions of smooth and positive control
standing on the tripod is the levelling head or trib arch
the levelling screws are used to tilt the instrument so that its rotation axis is truly vertical
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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