Surveying
Polaris is usually observed for the determination of the azimuth when it is

At culmination
Either at culmination or at elongation
Neither at culmination nor at elongation
At elongation

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Spring tides are caused when

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

ANSWER DOWNLOAD EXAMIANS APP