CONTOURING 2 - Practice Mode

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

Correct Answer: 4.255 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

Correct Answer: Formation level - Height of instrument

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

Contour line Profile Contour gradient Contour sections

Correct Answer: Contour gradient

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

Sight rail Ranging rod Offset rod Boning rod

Correct Answer: Boning rod

5) Which is used to setout gradient for sewer?

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

Correct Answer: Sight rails and boning rods

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