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Surveying

Surveying
For a tacheometer the additive and multi-plying constants are respectively

100 and 0
0 and 0
100 and 100
0 and 100

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Surveying
The equation which is obtained by multiplying each equation by the coefficient of its unknowns and by adding the equations thus formed, is known as

Normal equation
Observation equation
Conditional equation
None of these

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Surveying
23 cm × 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents

4 m
3 m
2 m
1 m

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Surveying
Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year

Once
Twice
Four times
Thrice

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Surveying
The negative sign is assigned to

Correction for slope
All listed here
Correction for horizontal alignment
Reduction to mean sea level

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Surveying
The angle between the plane of the equator and the plane of the ecliptic, is known as obliquity of the ecliptic and its value is

24° 0'
23° 27'
22° 30'
23° 30'

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