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  • Question

  • A reinforced concrete structure has to be constructed along a sea coast. The minimum grade of concrete to be used as per IS : 456-2000


  • Options
  • A. M 15
  • B. M 20
  • C. M 25
  • D. M 30

  • Correct Answer
  • M 30 

    • GATE Exam Questions problems

    Search Results

    • 1. Pipingin soil occurs when

    • Options
    • A. the soil is highly porous
    • B. sudden change in permeability occurs
    • C. effective pressure becomes zero
    • D. the soil is highly stratified
      • Discuss
    • 2. Coagulation-flocculation with alum is performed :

    • Options
    • A. immediately before chlorination
    • B. immediately after chlorination
    • C. after rapid sand filtration
    • D. before rapid sand filtration
      • Discuss
    • 3. The flow of water (mass density = 1000 kg/m3 and kinematic viscosity = 10-6 m2/s) in a commercial pipe, having equivalent roughness ks as 0.12 mm, yields an average shear stress at the pipe boundary = 600 N/m2. The value of ks/?' (?' being the thickness of laminar sub-layer) for this pipe is

    • Options
    • A. 0.25
    • B. 0.50
    • C. 6.0
    • D. 8.0
      • Discuss
    • 4. Horizontal stiffness coefficient, K11 of bar ab is given by :

    • Options
    • A. A E/l 2
    • B. A E/2 1
    • C. A E/l
    • D. 2 A E/l
      • Discuss
    • 5. A soil formation through which only seepage is possible, being partly permeable and capable of giving insignificant yield, is classified as

    • Options
    • A. Aquifer
    • B. Aquitard
    • C. Aquifuge
    • D. Aquiclude
      • Discuss
    • 6. The span (s) to be loaded uniformly for maximum positive (upward) reaction at support P, as shown in the figure below, is (are)

    • Options
    • A. PQ only
    • B. PQ and QR
    • C. QR and RS
    • D. PQ and RS
      • Discuss
    • 7. For a fixed beam with span L, having plastic moment capacity of Mp, the ultimate central concentrated load will be

    • Options
    • A. 4 Mp/L
    • B. Mp/8L
    • C. 6 Mp/L
    • D. 8 Mp/L
      • Discuss
    • 8. In which one of the following arrangements would the vertical force on the cylinder due to water be the maximum?

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 9. Breakpoint chlorination of water involves addition of chlorine in an amount sufficient to:

    • Options
    • A. react with any ammonia and readily oxidisable organic matter
    • B. kill Giardia cysts
    • C. react with inorganic matter
    • D. reduce bacterial growth in filters
      • Discuss
    • 10. A saturated clay stratum draining both at the top and bottom undergoes 50 percent consolidation in 16 years under an applied load. If an additional drainage layer were present at the middle of the clay stratum, 50 percent consolidation would occur in

    • Options
    • A. 2 years
    • B. 4 years
    • C. 8 years
    • D. 16 years
      • Discuss

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