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Civil Engineering :: UPSC Civil Service Exam Questions

  1. Tensile strength of concrete is measured by

  2. A.
    direct tension test in the universal testing machine
    B.
    applying compressive load along the diameter of the cylinder
    C.
    applying third point loading on a prism
    D.
    applying tensile load along the diameter of the cylinder

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  3. What is the moment (approximate) of the force acting on a railway sign post shown in the figure about the point ?

  4. A.
    1135 Nm
    B.
    1205 Nm
    C.
    980 Nm
    D.
    1300 Nm

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  5. A flash mixer of 2.0 m3, with a velocity gradient of mixing mechanisms equal to 660/s, and fluid absolute viscosity of 1.0 x 10-3 Ns/m2 is continuously operated. What is the power input per unit volume ?

  6. A.
    360 W
    B.
    720 W
    C.
    1440 W
    D.
    300 W

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  7. What is the discharge corresponding to a critical depth of 1.20 m in a 3.0 m wide rectangular channel:

  8. A.
    4.12 m3/s
    B.
    4.94 m3/s
    C.
    8.24 m3/s
    D.
    12.35 m3/s

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  9. A lemniscate curve between the tangents is transitional throughout, if the polar deflection angle of its apex is equal to (φ in the deflection angle between the initial and final tangents)

  10. A.
    φ/2
    B.
    φ/4
    C.
    φ/6
    D.
    φ

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  11. Consider the following statements :
    Total flat is :
    1. the time span by which the starting (or finishing) of an activity can be delayed without delaying the completion of the project.
    2. difference between maximum time available and the actual time required to perform the activity.
    3. difference between its earliest finish time and the earliest start time of its successor activity.
    Which among the following is/are correct ?

  12. A.
    2 and 3
    B.
    1, 2 and 3
    C.
    1 only
    D.
    1 and 2

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  13. In a linear reservoir, the

  14. A.
    volume varies linearly with elevation
    B.
    outflow rate varies linearly with storage
    C.
    storage varies linearly with time
    D.
    storage varies linearly with inflow rate

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  15. The given figure shows the relation between void ratio and shear strain for a sand under two density conditions. The void ratio corresponding to the dashed line is called

  16. A.
    optimum void ratio
    B.
    critical void ratio
    C.
    residual void ratio
    D.
    undisturbed void ratio

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  17. The separation of boundary layer takes place when the pressure gradient is

  18. A.
    negative
    B.
    positive
    C.
    zero
    D.
    constant

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  19. A free vortex formed from originally still water, say, as when draining still water in a flat-bottomed basin by suddenly pulling the stopper at the bottom on the drain hole, will be

  20. A.
    clockwise in the northern as well as the southern hemispheres
    B.
    anticlockwise in the northern as well as the sourthern hemispheres
    C.
    anticlockwise in the northern hemisphere and clockwise in the southern hemisphere
    D.
    clockwise in the northern hemisphere and anticlockwise in the southern hemisphere

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