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Surveying

Surveying
The correction for parallax, is

- 8".8 cos α
- 8".8 cos α
+ 8".8 cos α
+ .8" sin α

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Surveying
The instrument used for accurate centering in plane table survey is

spirit level
trough compass
alidade
plumbing fork

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Surveying
Stellar astronomy deals with

Plane surveying
Planet observations
Star observations
Geodetic surveying

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Surveying
A star in northern sphere is said to transit

When its azimuth is 180°
When its altitude is maximum
When it is in south
All listed here

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Surveying
For a well-conditioned triangle, no angle should be less than

30°
20°
60°
45°

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Surveying
The correction applied to the measured base of length ‘L’ is

Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports
Tension = (P - Ps)L/AE
All of these
Sag = L³w²/24P² where w is the weight of tape/m

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MORE MCQ ON Surveying

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