# Civil Engineering - Surveying

Exercise : Surveying - Section 4

1.

The reduced bearing of a line is N 87° W. Its whole circle bearing is

2.

Surveys which are carried out to depict mountains, rivers, water bodies, wooded areas and other cultural details, are known as

3.

If

*d*is the distance between equidistant odd ordinates, the Simpson's rule for the areas, is4.

To set out a parallel from a given inccessible point to a given line

Distance

*AB*, the following observations and madeDistance

*AB*and angle*PAM*=*a*and angle*PBA*=*b*are measured where Mis a point on the line*BA*produced. The perpendicular to the desired parallel line from*A*and*B*are :5.

Which of the following introduces an error of about 1 in 1000 if 20 m chain is used

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