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

Related Mcqs:

1. 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

2. The maximum B.M. due to an isolated load in a three hinged parabolic arch, (span l and rise h) having one of its hinges at the crown, occurs on either side of the crown at a distance_______________?

   A. l/4
   B. h/4
   C. l
   D. l

3. 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°

4. If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span__________________?

   A. Horizontal thrust is wl2/8h
   B. S.F. will be zero throughout
   C. B.M. will be zero throughout
   D. All the above

5. 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

6. The locus of reaction of a two hinged semi-circular arch, is_________________?

   A. Straight line
   B. Parabola
   C. Circle
   D. Hyperbola

7. 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

8. 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_______________?

   A. 1 : 1½ : 2
   B. 2 : 1½ : 1
   C. 1 : 1 : 2
   D. None of these

9. length of a column of length L, having one end fixed and other end hinged, is The equivalent_____________?

   A. 2 L
   B. L
   C. L/2
   D. L

10. The equivalent length of a column of length L, having both the ends hinged, is_______________?

    A. 2L
    B. L
    C. L/2
    D. L