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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 correction for sag is

always subtractive
always additive
sometimes additive and sometimes subtractive
always zero

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Surveying
Stellar astronomy deals with

Star observations
Plane surveying
Planet observations
Geodetic surveying

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Surveying
The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be

equidistant from A and B
as far as possible from the line AB
closer to the lower station
closer to the higher station

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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 time interval between successive transits of the moon, is

23 hours 50 minutes
24 hours 10 minutes
20 hours 25 minutes
24 hours 50 minutes

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MORE MCQ ON Surveying

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