While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of__________________?

Related Mcqs:

1. The three moments equation is applicable only when___________________?

   A. the beam is prismatic
   B. there is no settlement of supports
   C. there is no discontinuity such as hinges within the span
   D. the spans are equal

2. 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

3. The fixed support in a real beam becomes in the conjugate beam a___________________?

   A. roller support
   B. hinged support
   C. fixed support
   D. free end

4. 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

5. A load ‘W is moving from left to right support on a simply supported beam of span T. The maximum bending moment at 0.4 1 from the left support is___________________?

   A. 0.16 Wl
   B. 0.20 Wl
   C. 0.24 Wl
   D. 0.25 Wl

6. A simply supported beam deflects by 5 mm when it is subjected to a concentrated load of 10 kN at its centre. What will be deflection in a 1/10 model of the beam if the model is subjected to a 1 kN load at its centre ?

   A. 5 mm
   B. 0.5 mm
   C. 0.05 mm
   D. 0.005mm

7. 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

8. Sinking of an intermediate support of a continuous beam________________?

   Consider the following statements

   1. reduces the negative moment at support
   2. increases the negative moment at support
   3. reduces the positive moment at support
   4. increases the positive moment at the centre of span

   A. i and 4 are correct
   B. 1 and 3 are correct
   C. 2 and 3 are correct
   D. 2 and 4 are correct

9. When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would_______________?

   A. change from compression to tension
   B. change from tension to compression
   C. always be compression
   D. always be tension

10. When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that___________________?

    A. the head of the load reaches the section
    B. the tail of the load reaches the section
    C. the load position should be such that the section divides it equally on both sides
    D. the load position should be such that the section divides the load in the same ratio as it divides the