Exercise: Surveying

Questions for: Surveying

Geodetic surveying is undertaken
A:
for production of accurate maps of wide areas
B:
for developing the science of geodesy
C:
making use of most accurate instruments and methods of observation
D:
for determination of accurate positions on the earth's surface of system of control points
Answer: E
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For setting out a simple curve, using two theodolites.
A:
offsets from tangents are required
B:
offsets from chord produced are required
C:
offsets from long chord are required
D:
deflection angles from Rankine's formula are required
Answer: E
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In optical reading instruments
A:
the vertical circle is usually continuous from 0° to 359°
B:
the readings increase when the telescope is elevated in the face left position
C:
the readings decrease when the telescope is elevated in the face right position
D:
all the above.
Answer: D
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A uniform slope was measured by the method of stepping. If the difference in level between two points is 1.8 m and the slope distance between them is 15 m, the error is approximately equal to
A:
cumulative, + 0.11 m
B:
compensating, ± 0.11 m
C:
cumulative, - 0.11 m
D:
none of these
Answer: A
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For a curve of radius 100 m and normal chord 10 m, the Rankine's deflection angle, is
A:
0°25'.95
B:
0°35'.95
C:
1°25'.53
D:
1°35'.95
Answer: E
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