SURVEYING QUIZ | EXAMIANS

Height of instrument method of levelling is

less accurate than rise and fall method

quicker and less tedious for large number of intermediate sights

None of these

more accurate than rise and fall method

TRUE ANSWER : ?
YOUR ANSWER : ?

In a tropical year, the numbers of sidereal days are

365.2422

365.2224

366.2422

365

TRUE ANSWER : ?
YOUR ANSWER : ?

The chord of a curve less than peg interval, is known as

Sub-chord

Normal chord

Small chord

Short chord

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The scale of a tilted photograph of focal length f, taken from an altitude H, along the plate parallel through plumb point, is

f/H sec θ

f/H cos ½θ

f sec θ/H

f/H

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A star is said to elongate

All of these

When the star

When the star momentarily moves vertically

When the angle at the star of the spherical triangle is 90°

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The shortest distance between two places measured along the surface of the earth, is

None of these

Length of the arc of the great circle passing through them

Length of the parallel between their longitudes

Length of the equator between their longitudes

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The great circle whose plane is perpendicular to the axis of rotation of the earth, is called

All of these

0° latitude

Equator

Terrestrial equator

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The solar tidal force divided by lunar tidal force is

1/2

5/4

3/4

1/3

TRUE ANSWER : ?
YOUR ANSWER : ?

If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at that place is

23° S

13° E

77° N

13° W

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G.M.T. corresponding to given mean time, equals

L.M.T. + East longitude in time

None of these

L.M.T. - East longitude in time

L.M.T. - West longitude in time

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