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Civil Engineering :: Surveying

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

  2. A.

    87°

    B.

    273°

    C.

    93°

    D.

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

  4. A.

    cadastral surveys

    B.

    city surveys

    C.

    topographical surveys

    D.

    guide map surveys

    E.

    plane surveys.

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

  6. A.

    \(\frac { d } { 2 }\) [h1 + hn + 2(h3 + h5 + ... + hn - 2) + 4(h2 + h4 + ... + hn - 1)]

    B.

    \(\frac { d } { 3}\)[h1 + hn + 2(h3 + h5 + ... + hn - 2) + 4(h2 + h4 + ... + hn - 1)]

    C.

    \(\frac { d } {6 }\)[h1 + hn x 2(h2 + h4 + ... + hn - 1) + 4(h3 + h5 + ... + hn - 2)]

    D.

    \(\frac { d } {6 }\) [h1 + hn + 2(h3 + h5 + ... + hn - 2) + 4(h2 + h4 + ... + hn - 1)]

    E.

    none of these.

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  7. 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 :

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

  10. 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.

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  11. The distance between the point of intersection of an up grade + g1% and downgrade g2% and the highest point of the vertical curve of length L, is

  12. A.

    \(\frac { L(g1-g2) } { 400 } \)

    B.

    \(\frac { L(g1+g2) } { 400 } \)

    C.

    \(\frac { L(g1+g2) } { 800 } \)

    D.

    \(\frac { L(g1-g2) } { 800 } \)

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  13. The total change in level along the line is equal to total back sights

  14. A.

    minus total fore sights

    B.

    the total rises minus total falls

    C.

    the reduced level of last point minus reduced level of the first point

    D.

    all the above.

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  15. ABCD is a rectangular plot of land. If the bearing of the side AB is 75°, the bearing of DC is

  16. A.

    75°

    B.

    255°

    C.

    105°

    D.

    285°

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  17. Grid lines are parallel to

  18. A.

    magnetic meridian of the central point of the grid

    B.

    line representing the central true meridian of the grid

    C.

    geographical equator

    D.

    none of these.

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  19. Total latitude of a point is positive if it lies

  20. A.

    north of the reference parallel

    B.

    south of the reference parallel

    C.
    east of the reference parallel
    D.

    west of the reference parallel.

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