# Civil Engineering - Surveying

### Exercise :: Surveying - Section 4

1.

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

 A. 87° B. 273° C. 93° D. 3°

Explanation:

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2.

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

 A. cadastral surveys B. city surveys C. topographical surveys D. guide map surveys E. plane surveys.

Explanation:

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3.

If d is the distance between equidistant odd ordinates, the Simpson's rule for the areas, is

 A. [h1 + hn + 2(h3 + h5 + ... + hn - 2) + 4(h2 + h4 + ... + hn - 1)] B. [h1 + hn + 2(h3 + h5 + ... + hn - 2) + 4(h2 + h4 + ... + hn - 1)] C. [h1 + hn x 2(h2 + h4 + ... + hn - 1) + 4(h3 + h5 + ... + hn - 2)] D. [h1 + hn + 2(h3 + h5 + ... + hn - 2) + 4(h2 + h4 + ... + hn - 1)] E. none of these.

Explanation:

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4.

To set out a parallel from a given inccessible point to a given line AB, the following observations and made
Distance 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 :

 A. B. C. D. Explanation:

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5.

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

 A. length of chain 20 mm wrong B. one end of the chain 0.9 m off the line C. one end of chain 0.9 m higher than the other D. middle of the chain 0.45 m off the line E. all the above.