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Civil Engineering :: GATE Exam Questions

  1. In a reinforced concrete beam-column, the increase in the flexural strength along with the increase in the axial strength occurs

  2. A.
    beyond the elastic limit of the material
    B.
    when the yield of the tension reinforcement governs the strength
    C.
    when the crushing of the concrete in the compression zone governs the strength
    D.
    never

  3. The group efficiency of a pile group

  4. A.
    will be always less than 100%.
    B.
    will be always greater than 100%.
    C.
    may be less than 100% or more than 100%.
    D.
    will be more than 100% for pile groups in cohensionless soils and less than 100% for those in cohesive soils.

  5. A wastewater sample contains 10-5.6 mmol/l of OH ions at 25° C. The pH of this sample is

  6. A.
    8.6
    B.
    8.4
    C.
    5.6
    D.
    5.4

  7. At a rated capacity of 44 Cumecs, a centrifugal pump develops 36 m of head when operating at 1450 rpm. Its specific speed is :

  8. A.
    654
    B.
    509
    C.
    700
    D.
    90

  9. Presence of ifluoride in water greater than permissible level of 1.5 mg/l causes

  10. A.
    cardiovascular disease
    B.
    methemoglobinemia
    C.
    hepatitis
    D.
    dental fluorosis

  11. The values of liquid limit and plasticity index for soils having common geological origin in a rectricted locality usually define

  12. A.
    A zone above A-line
    B.
    A straight line parallel to A-line
    C.
    A straight line perpendicular to A-line
    D.
    Points may be anywhere in the plasticity chart

  13. M - θ relationship for a simply supported beam shown below is given by :

  14. A.
    M l/EI = 2θ
    B.
    M l/EI = 3θ
    C.
    M l/EI = 4θ
    D.
    M l/EI = 6θ

  15. The number of revolutions of a current meter in 50 seconds were found to be 12 and 30 corresponding to the velocities of 0.25 and 0.46 m/s respectively. What velocity (in m/s) would be indicated by 50 revolutions of that current meter in one minute ?

  16. A.
    0.42
    B.
    0.50
    C.
    0.60
    D.
    0.73

  17. A lysimeter is used to measure :

  18. A.
    infiltration
    B.
    evaporation
    C.
    evapotranspiration
    D.
    radiation

  19. In IS : 800 (1984) the permissible compressive stress in column is based on :

  20. A.
    Euler formula
    B.
    Secant formula
    C.
    Rankine-Gordan formula
    D.
    Rankine-Merchant formula