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  • Question

  • A three hinged parabolic arch hinged at the crown and springings, has a horizontal span of 4.8 m and a central rise of 1 m. It carries a uniformly distributed load of 0.75 tonne per metre over half left hand span. The horizontal thrust at the support will be


  • Options
  • A. 10.8 tonnes
  • B. 1.08 tonnes
  • C. 1.8 tonnes
  • D. 0.8 tonnes
  • E. none of these.

  • Correct Answer
  • 1.08 tonnes 

    • More questions

    • 1. The reaction RB of the roller support B of the beam shown in below figure is

    • Options
    • A. 10.8 t
    • B. 10.6 t
    • C. 10.4 t
    • D. 10.2 t.
      • Discuss
    • 2. The valves provided at low points of pipes to drain off water quickly under gravity, are called

    • Options
    • A. blow off valves
    • B. drain valves
    • C. sewer valves
    • D. all the above.
      • Discuss
    • 3. The greatest permissible clear dimension of the web of thickness t in the panel of a plate girder, is restricted to

    • Options
    • A. 180 t
    • B. 220 t
    • C. 230 t
    • D. 260 t
    • E. 270 t
      • Discuss
    • 4. For stairs spanning l metres longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 5. The rocks formed by gradual deposition, are called

    • Options
    • A. sedimentary rocks
    • B. igneous rocks
    • C. metamorphic rocks
    • D. none of these.
      • Discuss
    • 6. The convexity provided to the carriageway between the crown and edge of the pavement, is known as

    • Options
    • A. super-elevation
    • B. camber
    • C. height of the pavement
    • D. None of these.
      • Discuss
    • 7. The stiff portion of a bearing stiffener is taken equal to

    • Options
    • A. depth of the beam
    • B. th depth of the beam
    • C. depth of the beam
    • D. depth of the beam.
      • Discuss
    • 8. The strength of ISA 125 = 75 x 10 mm used as a tie member with its longer leg connected at the ends by 27 mm diameter rivets, is

    • Options
    • A. 26,000 kg
    • B. 26,025 kg
    • C. 26,050 kg
    • D. 26,075 kg
    • E. 27,000 kg
      • Discuss
    • 9. If P is the wind pressure in kg/cm2, v is the velocity in km/hour and K is a constant of proportionality, then

    • Options
    • A. P = K/v2
    • B. v = K/P2
    • C. P = Kv2
    • D. P = Kv
      • Discuss
    • 10. Efficiency of a riveted joint is defined as the ratio of

    • Options
    • A. least strength of a riveted joint to the strength of solid plate
    • B. greatest strength of a riveted joint to the strength of solid plate
    • C. least strength of a riveted plate to the greatest strength of the riveted joint
    • D. all the above.
      • Discuss

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