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

Related Mcqs:

1. 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

2. 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

3. 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

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. 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

6. A simply supported beam carries a varying load from zero at one end and w at the other end. If the length of the beam is a, the shear force will be zero at a distance x from least loaded point where x is_________________?

   A. a/2
   B. a/3
   C. a
   D. a

7. parabolic arch of span and rise , is given by The equation of a________________?

   A. y = h/l² × (1 – x )
   B. y = 2h/l² × (1 – x)
   C. y = 3h/l² × (1 – x)
   D. y = 4h/l² × (1 – x)

8. 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

9. 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°

10. A simply supported beam carries varying load from zero at one end and w at the other end. If the length of the beam is a, the maximum bending moment will be_______________?

    A. wa/27
    B. wa²/27
    C. w²a
    D. wa²