There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of_______________?

Related Mcqs:

1. The horizontal thrust on the ends of a two hinged semicircular arch of radius carrying_________________?

   A. A uniforml 4/3
   B. end, is
   C. All the above
   D. non of these

2. An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2l and rise h hinged at the crown, the horizontal reaction at the support, is_________________?

   A. Wa/h
   B. Wa/2h
   C. 2W/ha
   D. 2h/Wa

3. A three hinged arch is generally hinged at its supports and__________________?

   A. At one quarter span
   B. At the crown
   C. Anywhere in the rib
   D. None of these

4. A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be________________?

   A. 2/3
   B. 3/2
   C. 5/8
   D. 8/5

5. For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D’. Distances AD, DD’ and AD’ when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is___________________?

   A. 30°
   B. 45°
   C. 60°
   D. 90°

6. A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to________________?

   A. /4h thrust is
   B. /8h
   C. /12h
   D. /16h

7. A concentrated load P is supported by the free end of a quadrantal ring AB whose end B is fixed. The ratio of the vertical to horizontal deflections of the end A, is______________?

   A. /6
   B. /2
   C. /3
   D. /4

8. A simply supported uniform rectangular bar breadth b, depth d and length L carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is________________?

   A. L/d
   B. L/2d
   C. (L/2d)²
   D. (L/3d)²

9. A short column (30 cm × 20 cm) carries a load P 1 at 4 cm on one side and another load P2at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be_________________?

   A. 2/3
   B. 3/2
   C. 8/5
   D. 5/8

10. The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with a uniformly distributed load l t per horizontal length is (where Ic is the M.I. at the crown, which varies as the slope of the arch)___________________?

    A. 50/EIc
    B. 100/EIc
    C. 150/EIc
    D. 200/EIc