Sinking of an intermediate support of a continuous beam________________?

Related Mcqs:

1. 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

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

   A. zero length
   B. infinite length
   C. zero moment of inertia
   D. none of the above

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. The degree of kinematic indeterminacy of a pin-jointed space frame is_____________?

   A. 2j-r
   B. 3j-r
   C. j-2r
   D. j-3r
   where j is number of joints and r is reaction components

5. 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

6. Select the correct statement?

   A. Flexibility matrix is a square symmetrical matrix
   B. Stiffness matrix is a square symmetrical matrix
   C. both A. and B.
   D. none of the above

7. 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

8. The carryover factor in a prismatic member whose far end is fixed is___________________?

   A. 0
   B. 1/2
   C. 3/4
   D. 1

9. A pin-jointed plane frame is unstable if________________?

   A. (m + r)<2j
   B. m + r = 2j
   C. (m + r)>2j
   D. none of the above

   where m is number of members, r is reaction components and j is number of joints

10. For stable structures, one of the important properties of flexibility and stiffness matrices is that the elements on the main diagonal________________?

    i) of a stiffness matrix must be positive
    ii) of a stiffness matrix must be negative
    iii) of a flexibility matrix must be positive
    iv) of a flexibility matrix must be negative
    The correct answer is

    A. (i) and (iii)
    B. (ii) and (iii)
    C. (i) and (iv)
    D. (ii) and (iv)