Surveying
A telescope is said to be inverted if its

vertical circle is to its right and the bubble of the telescope is down
vertical circle is to its left and the bubble of the telescope is down
vertical circle is to its right and the bubble of the telescope is up
vertical circle is to its left and the bubble of the telescope is up

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Surveying
The length of a chain is measured from

outside of one handle to inside of other handle
outside of one handle to outside of other handle
centre of one handle to centre of other handle
inside of one handle to inside of other handle

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Surveying
The cross hairs in the surveying telescope are placed

anywhere between eye-piece and objective lens
midway between eye piece and objec-tive lens
much closer to the objective lens than to the eye piece
much closer to the eye-piece than to the objective lens

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