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GATE Exam Questions problems

  • 1. Shear stress develops on a fluid element, if :

  • Options
  • 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
    • Discuss
  • 2. The modulus of subgrade reaction is obtained from the plate bearing test in the form of load-deformation curve. The pressure corresponding to the following settlement value should be used for computing modulus of subgrade reaction

  • Options
  • A. 0.375 cm
  • B. 0.175 cm
  • C. 0.125 cm
  • D. 0.250 cm
    • Discuss
  • 3. 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

  • Options
  • A. 32.4
  • B. 36
  • C. 324
  • D. 32400
    • Discuss
  • 4. The characteristic strength of concrete is defined as that compressive strength below which not more than

  • Options
  • A. 10% of results fall
  • B. 5% of results fall
  • C. 2% of results fall
  • D. None of the above.
    • Discuss
  • 5. In an iceberg, 15% of the volume projects above the sea surface. If the specific weight of sea water is 10.5 kN/m3 , the specific weight of iceberg ir kN/m3 is

  • Options
  • A. 12.52
  • B. 9.81
  • C. 8.93
  • D. 7.83
    • Discuss
  • 6. 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

  • Options
  • A. 250 m
  • B. 360 m
  • C. 36 m
  • D. 300 m
    • Discuss
  • 7. The depth of tension crack in a soft clay (?u = 0) is

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 8. The microbial quality of treated piped water supplies is monitored by

  • Options
  • A. Microscopic examination
  • B. Plate count of heterotrophic bacteria
  • C. Coliform MPN test
  • D. Identification of all pathogens
    • Discuss
  • 9. The vertical stress at depth z, directly below the point load p is (k is a constant)

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 10. On sag (or valley) curves the available sight distance is determined based on :

  • Options
  • A. design speed
  • B. height of obstacle
  • C. height of driver eye
  • D. night-time driving conditions
    • Discuss

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