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  • Question

  • Compaction by vibratory roller is the best method of compaction in case of


  • Options
  • A. moist silty sand
  • B. well graded dry sand
  • C. clay of medium compressibility
  • D. silt of high compressibility

  • Correct Answer
  • well graded dry sand 

    • GATE Exam Questions problems

    Search Results

    • 1. Rivets and bolts subjected to both shear stress (?vf , cal) and axial tensile stress (?tf , cal) shall be so proportioned that the stresses do not exceed the respective allowable stresses ?vf and ?tf and the value of exceed does not exceed

    • Options
    • A. 1.0
    • B. 1.2
    • C. 1.4
    • D. 1.8
      • Discuss
    • 2. The nature of contact pressure distribution under a rigid footing resting on a sandy soil and subjected to uniformly distributed load is as shown in :

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 3. Two footings, one circular and the other square, are founded on the surface of a purely cohesionless soil. The diameter of the circular footing is same as that of the side of the square footing. The ratio of their ultimate bearing capcities is

    • Options
    • A. 3/4
    • B. 4/3
    • C. 1.0
    • D. 1.3
      • Discuss
    • 4. On an immersed body in a flowing fluid the lift force is :

    • Options
    • A. due to buoyant force
    • B. always in the opposite direction to gravity
    • C. due to Wake phenomenon
    • D. the dynamic fluid-force component normal to approach velocity
      • Discuss
    • 5. The toughness index of clayey soils is given by

    • Options
    • A. Plasticity index/Flow index
    • B. Liquid limit/Plastic limit
    • C. Liquidity index/Plastic limit
    • D. Plastic limit/Liquidity index
      • Discuss
    • 6. The effective length of a circular electric pole of length L and constant diameters erected on ground is,

    • Options
    • A. 0.80 L
    • B. 1.20 L
    • C. 1.50 L
    • D. 2.00 L
      • Discuss
    • 7. A roundabout is provided with an average entry width of 8.4 m, width of weaving section as 14 m, and length of the weaving section between channelizing islands as 35 m. The crossing traffic and total traffic on the weaving section are 1000 and 2000 PCU per hour respectively. The nearest rounded capacity of the roundabout (in PCU per hour) is

    • Options
    • A. 3300
    • B. 3700
    • C. 4500
    • D. 5200
      • Discuss
    • 8. A waste water sample diluted to 100 times with aeration water had an initial dissolved oxygen (DO) of 7.0 mg/l and after 5 days of incubation at 20°C, the DO was zero. The BOD of waste water is :

    • Options
    • A. 700 mg/l
    • B. 100 mg/l
    • C. cannot be determined
    • D. 7mg/l
      • Discuss
    • 9. The order or the flexibility matrix for a structure is,

    • Options
    • A. equal to the number of redundant forces
    • B. more than the number of redundant forces
    • C. less than the number of redundant forces
    • D. equal to the number of redundant forces plus three
      • Discuss
    • 10. For the strip footing on a saturated clay, for the given failure surface as shown in the below figure, the bearing capacity equation takes the form : (where Cu - undrained shear strength ?u - angle of internal friction B - width of strip footing qc - ultimate bearing capacity of soil)

    • Options
    • A. 5.7 Cu
    • B. 5.14 Cu
    • C. 4? Cu
    • D. 2? Cu
      • Discuss

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