Surveying
The cross hairs in the surveying telescope are placed

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

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Surveying
The length of a chain is measured from

outside of one handle to inside of other handle
inside 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

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