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Civil Engineering :: GATE Exam Questions

  1. In reinforced concrete, pedestal is defined as compression member, whose effective length does not exceed its least dimension by

  2. A.
    12 times
    B.
    3 times
    C.
    16 times
    D.
    8 times

  3. Flexible pavements derive stability primarily from :

  4. A.
    aggregate interlock, particle friction and cohesion
    B.
    cohesion alone
    C.
    the binding power of bituminous materials
    D.
    the flexural strength of the surface course

  5. The permissible bending tensile stress in concrete for the vertical wall of an R.C. water tank made of M 25 concrete is :

  6. A.
    8.5 N/mm2
    B.
    6.0 N/mm3
    C.
    2.5 N/mm2
    D.
    1.8 N/mm2

  7. The cylinder strength of the concrete is less than the cube strength because of

  8. A.
    the difference in the shape of the cross section of the specimens
    B.
    the difference in the slendeness ratio of the specimens
    C.
    the friction between the concrete specimens and the steel plate of the testing machine
    D.
    the cubes are tested without capping but the cylinders are tested with capping

  9. A water treatment plant is required to process 28800 m3/d of raw water (density = 1000 kg/m3, kinematic viscosity = 10-6 m2/s). The rapid mixing tank imparts tank a velocity gradient of 900s-1 to blend 35 mg/l of alum with the flow for a detention time of 2 minutes. The power input (W) required for rapid mixing is

  10. A.
    32.4
    B.
    36
    C.
    324
    D.
    32400

  11. The depth of tension crack in a soft clay (φu = 0) is


  12. A single rapid test to determine the pollu-tional status of river water is :

  13. A.
    biochemical oxygen demand
    B.
    chemical oxygen demand
    C.
    total organic solids
    D.
    dissolved oxygen

  14. The vertical stress at depth z, directly below the point load p is (k is a constant)


  15. Vane tester is normally used for determining in situ shear strength of :

  16. A.
    soft clays
    B.
    sand
    C.
    stiff clays
    D.
    gravel

  17. For the frame shown in the below figure, the maximum bending moment in the column is,

  18. A.
    zero
    B.
    400 kNm
    C.
    100 kNm
    D.
    200 kNm