Surveying
If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure respectively of the line AB will be

+70.7 m, -50 m
+86.6 m, -50 m
+50 m, -86.6 m
+50 m, +86.6 m

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Surveying
Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ?

error due to inaccurate graduation
error due to displacement of station signals
error due to wrong adjustment of line of collimation and trunnion axis
error due to eccentricity of verniers

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Surveying
The prismatic compass and surveyor’s compass

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

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