Accurate measurement of deflection angles with a transit not properly – McqOptions

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1.	Accurate measurement of deflection angles with a transit not properly adjusted may be made by
A.	setting the vernier A at zero at back station and then plunging the telescope
B.	setting the vernier A at zero at back station and turning the instrument to the forward station
C.	taking two back sights one with the telescope normal and the other with telescope inverted
D.	none of these.
Answer» D. none of these.

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