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Civil Engineering :: GATE Exam Questions

  1. The unit for coefficient of subgrade modulus is

  2. A.
    kN/m3
    B.
    kN/m2
    C.
    kN/m
    D.
    kN.m

  3. Plate bearing test with 20 cm diameter plate on soil subgrade yielded a pressure of 1.25 x 105 N/m2 at 0.5 cm deflection. What is the elastic modulus of subgrade ?

  4. A.
    56.18 x 105 N/m2
    B.
    22.10 x 105 N/m2
    C.
    44.25 x 105 N/m2
    D.
    50.19 x 105 N/m2
    E.
    None.

  5. Use of coagulants such as alum

  6. A.
    results in reduction of pH of the treated water.
    B.
    results in increase of pH of the treated water.
    C.
    results in no chnage in pH of the treated water.
    D.
    may cause an increase in decrease of decrease of pH of the treated water.

  7. The maximum permissible deflection for a gantry girder, spanning over 6 m, on which an EOT (electric overhead travelling) crane of capacity 200 kN is operating, is

  8. A.
    8 mm
    B.
    10 mm
    C.
    12 mm
    D.
    18 mm

  9. A hyetograph is a graph representing

  10. A.
    rainfall volume with time
    B.
    rainfall intensity with time
    C.
    rainfall intensity with duration
    D.
    rainfall intensity over an area

  11. If, for a fluid in motion, pressure at a point is same in all directions, then the fluid is :

  12. A.
    a real fluid
    B.
    a Newtonian fluid
    C.
    an ideal fluid
    D.
    a non-Newtonian fluid

  13. It is proposed to widen and strengthen an existing 2-lane NH section as a divided highway. The existing traffic in one direction is 2500 commercial vehicles (CV) per day. The construction will take 1 year. The design CBR of soil subgrade is found to be 5 percent, Given: traffic growth rate for CV = 8 percent, vehicle damage factor = 3.5 (standard axles per CV), design life = 10 years and traffic distribution factor = 0.75. The cumulative standard axles (msa) computed are

  14. A.
    35
    B.
    37
    C.
    65
    D.
    70

  15. If the shear force at a section of beam under bending is equal to zero then the bending moment at the section is

  16. A.
    zero
    B.
    maximum
    C.
    minimum
    D.
    minimum or maximum

  17. In network of pipes

  18. A.
    the algebraic sum of discharges around each circuit is zero
    B.
    the algebraic sum of (pressure + datum) head drops around each circuit is zero
    C.
    the elevation of hydraulic grade line is assumed for each junction point
    D.
    elementary circuits are replaced by equivalent pipes

  19. A volume of 3.0 x 106 m3 of ground water was pumped out from an unconfined aquifer, uniformly from an area of 5 km2. The pumping lowered the water table from initial level of 102 m to 99 m. The specific yield of the aquifier is

  20. A.
    0.20
    B.
    0.30
    C.
    0.40
    D.
    0.50