For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust__________________?

Related Mcqs:

1. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust______________?

   A. is increased
   B. is decreased
   C. remains unchanged
   D. becomes zero

2. For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is__________________?

   A. 0.211 L
   B. 0.25 L
   C. 0.234 L
   D. 0.5 L

3. If in a pin-jointed plane frame (m + r) > 2j, then the frame is________________?

   A. stable and statically determinate
   B. stable and statically indeterminate
   C. unstable
   D. none of the above
   where m is number of members, r is reaction components and j is number of joints

4. In column analogy method, the area of an analogous column for a fixed beam of span L and flexural rigidity El is taken as__________________?

   A. L/EI
   B. L/2EI
   C. L/3EI
   D. L/4EI

5. When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies_______________?

   A. less than the left half span
   B. whole of left half span
   C. more than the left half span
   D. whole span

6. Which of the following methods of structural analysis is a displacement method ?

   A. moment distribution method
   B. column analogy method
   C. three moment equation
   D. none of the above

7. The width of the analogous column in the method of column analogy is _________________?

   A. 2/EI
   B. 1/EI
   C. 1/2 EI
   D. 1/4 EI

8. Bending moment at any section in a conjugate beam gives in the actual beam_________________?

   A. slope
   B. curvature
   C. deflection
   D. bending moment

9. The degree of static indeterminacy of a rigid-jointed space frame is_________________?

   A. m + r – 2j
   B. m + r – 3j
   C. 3m + r – 3j
   D. 6m + r – 6j
   where m, r and j have their usual meanings

10. The number of independent equations to be satisfied for static equilibrium of a plane structure is__________________?

    A. 1
    B. 2
    C. 3
    D. 6