SURVEYING QUIZ

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

13° E

77° N

23° S

13° W

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The height displacement on a vertical photograph

Decreases as the flying height increases

All listed here

Increases as the ground elevation increases

Increases as the horizontal distance increases from the principal point

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The horizontal angle between the true meridian and magnetic meridian at a place is called

azimuth

magnetic bearing

local attraction

declination

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For adjusting a quadrilateral whose both the diagonals are observed, the equations of conditions involved, are

None of these

Two angle equations and two side equations

One angle equation and three side equations

Three angle equations and one side equation

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YOUR ANSWER : ?

For plane ground the scale of a vertical photograph will be same as that of a tiled photograph along the photo parallel through

Plumb point

Isocenter

None of these

Principal point

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In a spherical triangle ABC, right angled at C, sin b equals

cos a sin A

tan a cot A

sin a cos A

cot A tan a

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If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is

25 m

7.5 m

50 m

75 m

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YOUR ANSWER : ?

Benchmark is established by

trigonometrical levelling

hypsometry

spirit levelling

barometric levelling

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At western elongation, the pole star moves

Southward

Westward

Eastward

Northward

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YOUR ANSWER : ?

Check lines (or proof lines) in Chain Surveying, are essentially required

To increase the out-turn

To plot the offsets

To plot the chain lines

To indicate the accuracy of the survey work

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YOUR ANSWER : ?

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