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Civil Engineering :: Surveying

  1. The slope correction for a length of 30 m along a gradient of 1 in 20, is

  2. A.

    3.75 cm

    B.

    0.375 cm

    C.

    37.5 cm

    D.

    2.75 cm.

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  3. The main principle of surveying is to work

  4. A.

    from part to the whole

    B.

    from whole to the part

    C.

    from higher level to the lower level

    D.

    from lower level to higher level.

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  5.  

    For the construction of highway (or railway)

  6. A.

    longitudinal sections are required

    B.

    cross sections are required

    C.

    both longitudinal and cross sections are required

    D.

    none of these.

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  7. If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed.

  8. A.

    R/10

    B.

    R/15

    C.

    R/20

    D.

    R/25.

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  9. The sensitiveness of a level tube decreases if

  10. A.

    radius of curvature of its inner surface is increased

    B.

    diameter of the tube is increased

    C.

    length of the vapour bubble is increased

    D.

    both viscosity and surface tension are increased.

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  11. For true difference in elevations between two points A and B, the level must be set up

  12. A.

    at any point between A and B

    B.

    at the exact mid point of A and B

    C.

    near the point A

    D.

    near the point B.

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  13. ABCD is a regular parallelogram plot of land whose angle BAD is 60°. If the bearing of the line AB is 30°, the bearing of CD, is

  14. A.

    90°

    B.

    120°

    C.

    210°

    D.

    270°

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  15.  

    Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than

  16. A.

    30 m

    B.

    25 m

    C.

    20 m

    D.

    15 m

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  17. Pick up the correct statement from the following :

  18. A.

    Box sextant is used for the measurement of horizontal angles

    B.

    Cross staff is used for setting out right angles

    C.

    Gradiometer is used for setting out any required gradient

    D.

    Line ranger is used for locating intermediate stations on a survey line

    E.

    All the above.

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