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Surveying

Surveying
In an internal focussing type of telescope, the lens provided is

plano-concave
plano-convex
concave
convex

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Surveying
International Date Line is located along

180° longitude
Greenwich meridian
Equator
Standard meridian

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Surveying
The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is

B = H/bf
B = bH/f
B = b/fH
B =f/bH

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Surveying
The sidereal day is the time interval between two successive upper transits of

The polar star
First point of Libra
Mean sun
First point of Aries

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Surveying
Check lines (or proof lines) in Chain Surveying, are essentially required

To plot the chain lines
To plot the offsets
To increase the out-turn
To indicate the accuracy of the survey work

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Surveying
The suitable contour interval for a map with scale 1 : 10000 is

10 m
5 m
20 m
2 m

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MORE MCQ ON Surveying

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