Surveying
The great circle along which the sun appears to trace on the celestial sphere with earth as centre during the year, is called

Ecliptic
None of these
Celestial equator
Equator

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Surveying
The cross hairs in the surveying telescope are placed

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

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Surveying
Spring tides are caused when

Solar tidal force acts opposite to lunar tidal force
None of these
Solar tidal force and lunar tidal force both coincide
Sun and moon are in line with earth

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