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Civil Engineering :: GATE Exam Questions

  1. In deriving the equation for the hydraulic jump in a rectangular channel in terms of the conjugate depths and the initial Froude number.

  2. A.
    continuity equation and energy equation are used
    B.
    continuity equation and momentum equation are used
    C.
    equations of continuity, mementum and energy are used
    D.
    gradually varied flow equation is used

  3. An important purpose of prime coats is to:

  4. A.
    promote the bond between the base and the wearing courses
    B.
    promote the adhesion between an existing wearing surface and a subsequent wearing surface
    C.
    promote the bond between the sub-base cause and the sub-grade
    D.
    increase the stability of the sub-grade

  5. A trickling filter is primarily a :

  6. A.
    straining process to remove suspended solids from sewage
    B.
    biological oxidation process to remove BOD from sewage
    C.
    straining process to remove turbidity from water
    D.
    straining process to remove bacteria from water

  7. A soil having particles of nearly the same size is known as

  8. A.
    well graded
    B.
    uniformly graded
    C.
    poorly graded
    D.
    gap graded

  9. The ideal form of curve for the summit curve is :

  10. A.
    spiral
    B.
    parabola
    C.
    circle
    D.
    lemniscate

  11. A septic tank is

  12. A.
    an aerobic method of on site sewage treatment
    B.
    an anaerobic method of on site treatment
    C.
    a physical method of water treatment
    D.
    a physicochemical method of water treatment

  13. At highway stretches where the required overtaking sight distance cannot be provided, it is necessary to incorporate :

  14. A.
    at least twice the stopping sight distance
    B.
    half the required overtaking sight distance
    C.
    one-third the required overtaking sight distance
    D.
    three times the stopping sight distance

  15. The members EJ and IJ of steel truss shown in the figure below are subjected to a temperature rise of 30° C. The coefficient of thermal expansion of steel is 0.000012 per °C per unit length. The displacement (mm) of joint E relative to joint H along the direction HE of the truss, is

  16. A.
    0.255
    B.
    0.589
    C.
    0.764
    D.
    1.026

  17. A-2-hour unit hydrograph can be approximated as trapezoidal as shown in the below figure. The unit hydrograph refers to catchment of area

  18. A.
    138.24 km2
    B.
    0.0384 km2
    C.
    384 m2
    D.
    3840 m2