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PSC Civil Engg: Surveying Quiz 6
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In case of a direct Vernier scale _____.
The sensitiveness of a level tube decreases if __________.
The angle between true meridian and the magnetic meridian at the time of observations is known as
Invar tapes are made of an alloy of _______.
The line drawn through the points of same declination is called
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Dec 10ESE & GATE CE