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  • Question

  • Base course is used in rigid pavements for


  • Options
  • A. prevention of subgrade settlement
  • B. prevention of slab cracking
  • C. prevention of pumping
  • D. prevention of thermal expansion

  • Correct Answer
  • prevention of pumping 

    • GATE Exam Questions problems

    Search Results

    • 1. The unit weight of a soil at zero air voids depends on :

    • Options
    • A. specific gravity
    • B. water content
    • C. unit weight of water
    • D. all the above
      • Discuss
    • 2. For the structure shown below, the vertical deflection at point A is given by

    • Options
    • A.
    • B.
    • C. Zero
    • D.
      • Discuss
    • 3. The most important water quality parameter for domestic use of water is

    • Options
    • A. carbonate hardness
    • B. non-carbonate hardness
    • C. coliform group of organisms
    • D. chlorides
      • Discuss
    • 4. A light house of 120 m height is just visible above the horizon from a ship. The correct distance (m) between the ship and the light house considering combined correction for curvature and refraction, is

    • Options
    • A. 39.098
    • B. 42.226
    • C. 39098
    • D. 42226
      • Discuss
    • 5. While deriving an expression for loss of head due to a sudden expansion in a pipe, in addition to the continuity and impulse-momentum equations, one of the following assumptions is made :

    • Options
    • A. Head loss due to friction is equal to the head loss in eddying motion
    • B. The mean pressure in eddying fluid is equal to the downstream pressure
    • C. The mean pressure in eddying fluid is equal to the upstream pressure
    • D. Head lost in eddies is neglected
      • Discuss
    • 6. A foundation is considered as shallow if its depth is :

    • Options
    • A. less than 1 metre
    • B. greater than its width
    • C. equal to or less than its width
    • D. greater than 1 metre
      • Discuss
    • 7. The magnitude of the bending moment at the fixed support of the beam is equal to :

    • Options
    • A. P.a
    • B.
    • C. P.b
    • D. P.(a + b)
      • Discuss
    • 8. The unconfined compressive strength of a 'stiff clay' falls in the range

    • Options
    • A. less than 50 kN/m2
    • B. 50 to 100 kN/m2
    • C. 100 to 200 kN/m2
    • D. above 200 kN/m2
      • Discuss
    • 9. A prestressed concrete rectangular beam of size 300 mm x 900 mm is prestressed with an initial prestressing force of 700 kN at an eccentricity of 350 mm at midspan. Stress at top of the beam due to prestress alone, in N/mm2 is

    • Options
    • A. 46 (tension)
    • B. 2.59 (compression)
    • C. zero
    • D. 8.64 (compression)
      • Discuss
    • 10. The downstream end of a long prismatic channel of mild slope, ends in a pool created by a dam. The resulting non-uniform water surface profile can be described as one of the following :

    • Options
    • A. M3 profile ending in a hydraulic jump
    • B. M1 profile that lies above normal depth line
    • C. M2 profile that lies between critical and normal depth lines
    • D. M3 profile that lies between critical and normal depth lines
      • Discuss

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