For the following questions answer them individually
If the magnetic bearing of the Sun at a place at noon in southern hemisphereis $$167^\circ$$, the magnetic declination at that place is
The angle between the prolongation of the preceding line and the forwardline of a traverse is called
If the end points of a line are free from local attraction, the difference between fore bearing - and back bearingof that line should be
The coefficient of active earth pressure for a loose sand having an angle of internalfriction '$$\phi$$' is
