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Surveying

Surveying
The average eye base is assumed as

60 mm
58 mm
62 mm
64 mm

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Surveying
Direct method of contouring is

most accurate method
a quick method
suitable for hilly terrains
adopted for large surveys only

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Surveying
In a tropical year, the numbers of sidereal days are

366.2422
365
365.2224
365.2422

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Surveying
The product of the distances of plumb point and horizon point of a vertical photograph from its principal point, is

2f2
f2
½f
3f2

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Surveying
The process of turning the telescope about the vertical axis in horizontal plane is known as

plunging
transiting
swinging
reversing

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Surveying
To avoid large centering error with very short legs, observations are generally made

To a target fixed on theodolite tripod on which theodolite may be fitted easily
By using optical system for centering the theodolite
All listed here
To chain pins

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MORE MCQ ON Surveying

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