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  • Question

  • Blue baby disease (methaemoglobinemia) in children is caused by the presence of excess


  • Options
  • A. Chorides
  • B. Nitrates
  • C. Fluoride
  • D. Lead

  • Correct Answer
  • Nitrates 

    • GATE Exam Questions problems

    Search Results

    • 1. One of the following statements is true with regards to bodies that float or are submerged in liquids :

    • Options
    • A. For a body wholly submerged in a liquid the stability is ensured if the centre of buoyancy is below the centre of gravity of the body
    • B. For a body floating in a liquid the stability is ensured if the centre of buoyancy is below the centre of gravity of the body
    • C. For a body floating in a liquid the stability is ensured if the centre of buoyancy and the centre of gravity, regardless of the relative positions of the centre of buoyancy and gravity
    • D. For a body floating in a liquid the stability is ensured if the centre of buoyancy is below the centre of gravity and the metacentre is above both the centres of gravity and buoyancy.
      • Discuss
    • 2. Mechanical stabilization requires :

    • Options
    • A. mixing of two or more types of natural soils
    • B. addition of chemicals to soils
    • C. addition of lime to soils
    • D. addition of cementing material to soils
      • Discuss
    • 3. In the plate bearing test, if the load applied is in the form of an inflated type of wheel, then this mechanism corresponds to :

    • Options
    • A. rigid plate
    • B. flexible plate
    • C. semi-rigid plate
    • D. semi-elastic plate
      • Discuss
    • 4. 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
    • 5. 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
    • 6. The deflection of a cantilever beam at free end b applied with a moment M at the same point is :

    • Options
    • A. M l2/EI
    • B. M l2/2 EI
    • C. M l2/3 EI
    • D. M l2/4 EI
      • Discuss
    • 7. The ultimate bearing capacity of a soil is 300 kN/m2. The depth of foundation is 1 m and unit weight of soil is 20 kN/m3. Choosing a factor of safety of 2.5, the net safe bearing cacpacity is

    • Options
    • A. 100 kN/m2
    • B. 112 kN/m2
    • C. 800 kN/m2
    • D. 100.5 kN/m2
      • Discuss
    • 8. The return period for the annual maximum flood of a given magnitude is 8 years. The probability that this flood magnitude will be exceeded once during the next 5 years is

    • Options
    • A. 0.625
    • B. 0.966
    • C. 0.487
    • D. 0.529
      • Discuss
    • 9. Transition curves are provided on the approach to horizontal curves in order to :

    • Options
    • A. increase jerk to allowable levels
    • B. minimize the length of the horizontal curve
    • C. simplify the laying-out and construction of the horizontal curve
    • D. reduce jerk to allowable levels
      • Discuss
    • 10. As per IS : 800-1984 the maximum allowable slenderness ratio of compression members carrying forces resulting from dead load and superimposed load is

    • Options
    • A. 180
    • B. 250
    • C. 300
    • D. 400
      • Discuss

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