Surveying

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published on May 29, 20205 responses 0
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1/7

A scale representing either three units or only one unit and its fractions up to second place of decimal point is

Hint: 1 choice
a) diagonal scale
b) comparative scale
c) simple vernier
d) shrunk scale
2/7

The curvature of the earth's surface is taken into account only if the extent of survey is more than

Hint: 1 choice
a) 60 sq km
b) 160 sq km
c) 260 sq km
d) 500 sq km
3/7

*Hydrographic survey deal with the mapping of

Hint: 1 choice
a) large water bodies
b) canal system
c) cloud movement
d) none of the above
4/7

Principle of surveying is to prevent accumulation of errors is

a) work from whole to the part
b) to work from part to whole
c) both (a) and (b) above
d) none of the above
5/7

*The survey which is carried out for determining absolute locations and the direction of any line on the surface of the earth by making observation to heavenly bodies is called

Hint: 1 choice
a) hydrographic survey
d) none of the above
b) astronomical survey
c) land survey
d) none of the above
6/7

Under Survey "working from whole to part" is done

Hint: 1 choice
a) to prevent the accumulation of error
b) to localize the error
c) both of the above
d) none of the above
7/7

*Geodetic survey is different from plane surveying because of

Hint: 1 choice
a) very large area is covered
b) the curvature of the earth is considered
c) undulations of the topography
d) the large difference of elevations