Surveying
Spring tides are caused when

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

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Surveying
The prismatic compass and surveyor’s compass

both give QB of a line and WCB of a line
both give QB of a line
give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively
both give WCB of a line

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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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