While drawing a cross-section of a contour map, the following values were noted from point A to point B on a strip of paper to draw the graph – 500 m, 400 m, 300 m, 200 m, 200 m, 300 m, 400 m, 500 m.
Which cross-section would be drawn by using the above values?

The minimum density (g/cc) of corrugated and semi-corrugated asbestos cement sheets considered acceptable for construction purposes by the Indian standard is:

The actual discharge of liquid through an orifice is determined by multiplying ideal discharge by a factor called coefficient of discharge. The coefficient of discharge is given by __________.