Surveying - Civil Engineering Questions and Answers

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The main principle of surveying is to work

from part to the whole

from whole to the part

from higher level to the lower level

from lower level to higher level.

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For the construction of highway (or railway)

longitudinal sections are required

cross sections are required

both longitudinal and cross sections are required

none of these.

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If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed.

R/10

R/15

R/20

R/25.

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The sensitiveness of a level tube decreases if

radius of curvature of its inner surface is increased

diameter of the tube is increased

length of the vapour bubble is increased

both viscosity and surface tension are increased.

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For true difference in elevations between two points A and B, the level must be set up

at any point between A and B

at the exact mid point of A and B

near the point A

near the point B.

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ABCD is a regular parallelogram plot of land whose angle BAD is 60°. If the bearing of the line AB is 30°, the bearing of CD, is

90°

120°

210°

270°

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Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than

30 m

25 m

20 m

15 m

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Pick up the correct statement from the following :

Box sextant is used for the measurement of horizontal angles

Cross staff is used for setting out right angles

Gradiometer is used for setting out any required gradient

Line ranger is used for locating intermediate stations on a survey line

All the above.