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Civil Engineering :: GATE Exam Questions

  1. Is 459-1978 recommends to provide certain minimum steel in a RCC beam

  2. A.
    to ensure compression failure
    B.
    to avoid rupture of steel in case a flexural failure occurs
    C.
    to hold the stirrup steel in position
    D.
    to provide enough ductility to the beam

  3. Shear stress develops on a fluid element, if :

  4. A.
    the fluid is at least
    B.
    the fluid-container is subject to uniform linear acceleration
    C.
    the fluid is inviscid
    D.
    the fluid is viscous and the flow is nonuniform

  5. A hydraulic turbine has a discharge of 5 m3/s, when operating under a head of 20 m with a speed of 500 rpm. If it is to operate under a head of 15 m, for the same discharge, the rotational speed in rpm will approximately be

  6. A.
    433
    B.
    403
    C.
    627
    D.
    388

  7. A nozzle discharging water under head H has an outlet area "a" and discharge coefficient cd = 1.0. A vertical plate is acted upon by the fluid force Fj when held across the free jet and by the fluid force Fn when held against the nozzle to stop the flow, the ratio Fj/Fn is

  8. A.
    1/2
    B.
    1
    C.
    2
    D.
    2

  9. A hydraulic turbine develops a power of 104 metric horse power while running at a speed of 100 revolutions per minute, under a head of 40 m. Its specific speed is nearest to one of the following :

  10. A.
    100
    B.
    628
    C.
    523
    D.
    314

  11. The Prandtl mixing length for turbulent flow through pipes is

  12. A.
    independent of shear stress
    B.
    a universal constant
    C.
    zero at the pipe wall
    D.
    independent of radial distance from pipe axis

  13. A 40° slope is excavated to a depth of 10 m in a deep layer of saturated clay of unit weight 20 kN.m3; the relevant shear strength parameters are cu = 70 kN/m2 and φu = 0. The rock ledge is at a great depth. The Taylor's stability coefficient for φu = 0 and 40° slope angle is 0.18. The factor of safety of the slope is :

  14. A.
    2.0
    B.
    2.1
    C.
    2.2
    D.
    2.3

  15. Lysimeter and Tensiometer are used to measure respectively, one of the following groups of quantities :

  16. A.
    Capillary potential and permeability
    B.
    Evapotranspiration and capillary potential
    C.
    Velocity in channels and vapour pressure
    D.
    Velocity in pipes and pressure head

  17. The ruling minimum radius of horizontal curve of a national highway in plain terrain for ruling design speed of 100 km/hour with e = 0.07 and f = 0.15 is close to

  18. A.
    250 m
    B.
    360 m
    C.
    36 m
    D.
    300 m

  19. Principle involved in the relationship between submerged unit weight and saturated weight of a soil is based on

  20. A.
    Equilibrium of floating bodies
    B.
    Archimedes' principle
    C.
    Stokes' law
    D.
    Darcy's law