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Civil Engineering - Surveying

Exercise : Surveying - Section 2
11.
In optical reading instruments
the vertical circle is usually continuous from 0° to 359°
the readings increase when the telescope is elevated in the face left position
the readings decrease when the telescope is elevated in the face right position
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
For setting out a simple curve, using two theodolites.
offsets from tangents are required
offsets from chord produced are required
offsets from long chord are required
deflection angles from Rankine's formula are required
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Geodetic surveying is undertaken
for production of accurate maps of wide areas
for developing the science of geodesy
making use of most accurate instruments and methods of observation
for determination of accurate positions on the earth's surface of system of control points
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
The desired sensitivity of a bubble tube with 2 mm divisions is 30". The radius of the bubble tube should be
13.75 m
3.44 m
1375 m
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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
0.02 m inclined upwards
0.04 m inclined downwards
0.04 m inclined upward
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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