PSC Civil Engg: Surveying Quiz 7

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Question 1

For true difference in elevations between two points A and B the level must be set up _______.

• Aat any point between A and B
• Bat the exact mid-point of A and B
• Cnear the point A
• Dnear the point B

Question 2

If the fore bearing of a line is observed to be AB 1224’, the back bearing of line AB should be?

• A16736’
• B19224’
• C10224’
• D7736’

Question 3

The distance between steps for measuring downhill to obtain better accuracy____.

• Adecreases with decrease of slope
• Bincreases with increase of slope
• Cdecreases with increase of slope
• Ddecreases with decrease of weight of the chain

Question 4

The dip of the compass needle ______.

• Ais constant
• Bvaries from place to place and is zero at the equator and maximum at the poles
• Cis zero at the equator and poles
• DNone of these

Question 5

A scale representing either three units or only one unit and its fractions up to second place of decimal point is _______.

• ADiagonal scale
• Bcomparative scale
• CVernier scale
• DShrunk scale

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