Surveying
Sensitiveness of a level tube is designated by

None of these
radius of level tube
length of level tube
length of bubble of level tube

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Surveying
Bowditch rule is applied to

None of these
an open traverse for graphical adjustment
determine the effect of local attraction
a closed traverse for adjustment of closing error

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Surveying
In the prismatic compass

the magnetic needle and graduated circle do not move with the box
the magnetic needle moves with the box
the line of the sight does not move with the box
the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction

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