Principle of superposition is applicable when___________________?

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. Muller Breslau’s principle for obtaining influence lines is applicable to___________________?

   i) trusses
   ii) statically determinate beams and frames
   iii) statically indeterminate structures, the material of which is elastic and follows Hooke’s law
   iv) any statically indeterminate structure

   The correct answer is ?

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

3. The principle of virtual work can be applied to elastic system by considering the virtual work of_________________?

   A. internal forces only
   B. external forces only
   C. internal as well as external forces
   D. none of the above

4. If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is_______________?

   A. unstable
   B. stable and statically determinate
   C. stable and statically indeterminate
   D. none of the above

5. The Castigliano’s second theorem can be used to compute deflections________________?

   A. in statically determinate structures only
   B. for any type of structure
   C. at the point under the load only
   D. for beams and frames only

6. Effects of shear force and axial force on plastic moment capacity of a structure are respectively to_________________?

   A. increase and decrease
   B. increase and increase
   C. decrease and increase
   D. decrease and decrease

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

   A. slope deflection method
   B. column analogy method
   C. moment distribution method
   D. none of the above

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

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

10. Independent displacement components at each joint of a rigid-jointed plane frame are_________________?

    A. three linear movements
    B. two linear movements and one rotation
    C. one linear movement and two rotations
    D. three rotations