The three moments equation is applicable only when___________________?

Related Mcqs:

1. 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

2. Principle of superposition is applicable when___________________?

   A. deflections are linear functions of applied forces
   B. material obeys Hooke’s law
   C. the action of applied forces will be affected by small deformations of the structure
   D. none of the above

3. 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)

4. 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

5. Degree of kinematic indeterminacy of a pin-jointed plane frame is given by______________?

   A. 2j – r
   B. j – 2r
   C. 3j – r
   D. 2j + r

6. Castigliano’s first theorem is applicable_______________?

   A. for statically determinate structures only
   B. when the system behaves elastically
   C. only when principle of superposition is valid
   D. none of the above

7. A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be________________?

   A. 8 kN.m
   B. 15 kN.m
   C. 30 kN.m
   D. 60 kN.m

8. 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

9. 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

10. Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is__________________?

    A. 2
    B. 3
    C. 6
    D. 8