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
A telescope is said to be inverted if its

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

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Surveying
Dumpy level is most suitable when

the instrument is to be shifted frequently
many readings are to be taken from a single setting of the instrument
All of these
fly levelling is being done over long distance

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