For the following questions answer them individually
Calculate true bearing of a line, if magnetic bearing of the line is $$ S 60^\circ E $$ and magnetic declination is $$ 5^\circ $$ eastward.
Calculate the total correction (m) required, if a line measured using 20 m chain is 2380 m. Actual length of the chain is 20.2 m
Calculate the corrected staff reading at point A, if the staff reading is taken from an instrument which is set at a distance of 1.5 km from the point A 3.46 m.
Which of the following statements are CORRECT for contour map?
1) Parallel contour shows uniform slope.
2) Very closed contour shows steep slope.
3) Very closed contour shows flat area.
4) Two contours at different elevation cut at right angle.