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
For a tacheometer, the additive and multiplying constants are respectively
The fore bearing of a line CD is $$324^\circ 45’$$. The back bearing of the line is
The principle of working of optical square is based upon
If the plasticity index of a soil mass is zero, the soil is
The coefficient of active earth pressure for a loose sand having an angle of internalfriction '$$\phi$$' is