SURVEYING QUIZ | EXAMIANS

At upper culmination, the pole star moves

Eastward

Southward

Westward

Northward

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Closed contours, with higher value inwards, represent a

hillock

None of these

depression

plain surface

TRUE ANSWER : ?
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The angle of intersection of the two plane mirrors of an optical square is

45°

90°

60°

30°

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The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called

intersection

resection

radiation

traversing

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Triangulation surveys are carried out for providing

Height control

None of these

Both planimetric and height control

Planimetric control

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The moon rotates round the earth once in every

30 days

29 days

29.53 days

29.35 days

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Stellar astronomy deals with

Plane surveying

Geodetic surveying

Planet observations

Star observations

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The allowable length of an offset depends upon the

degree of accuracy required

All of these

scale of plotting

method of setting out the perpendiculars and nature of ground

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Sidereal day

Is the period of time taken by the earth in making a complete rotation with reference to stars

All listed here

Is slightly shorter than an ordinary solar day

Is divided into the conventional hours, minutes and seconds

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When a star is between the pole and the horizon, the relationship between latitude (λ), zenith distance (z) and declination δ, is

θ = (z + δ) - 180°

θ = 180° - (z + δ)

θ = z + δ

θ = δ - z

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