CONTOURING 2 - Quiz

1) Formation level of point A 130.00m and ground level at A is 132.265m, Height of instrument is 134.255. Then grade rod is?

4.255 m 2.265 m 1.755 m 1.265 m

2) How the staff reading required to set given grade?

Formation level - Height of instrument Formation level + height of instrument Ground level + B.S Ground level + F.S

3) Which line joints the points on different contour having same gradient?

Contour line Profile Contour gradient Contour sections

4) Which T shaped rods used for setting out grade?

Sight rail Ranging rod Offset rod Boning rod

5) Which is used to setout gradient for sewer?

Sight rails and boning rods Sight rail only Boning rods only Ranging rods