At yield point of a test piece, the material__________________?

Related Mcqs:

1. The yield moment of a cross section is defined as the moment that will just produce the yield stress in_________________?

   A. The outer most fibre of the section
   B. The inner most fibre of the section
   C. The neutral fibre of the section
   D. The fibre everywhere

2. Beams composed of more than one material, rigidly connected together so as to behave as one piece, are known as________________?

   A. Compound beams
   B. Indeterminate beams
   C. Determinate beams
   D. Composite beams

3. Maximum principal stress theory for the failure of a material at elastic point, is known________________?

   A. Guest’s or Trecas’ theory
   B. St. Venant’s theory
   C. Rankine’s theory
   D. Von Mises’ theory

4. If Ix and Iy are the moments of inertia of a section about X and Y axes, the polar moment of inertia of the section, is_________________?

   A. (IX + IY)/2
   B. (IX – IY)/2
   C. IX + IY
   D. (I /I )

5. The force in BF of the truss shown in given figure, is_______________?

   A. 4t tension
   B. 4t compression
   C. 4.5t tension
   D. 4.5t compression

6. The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is_____________?

   A. WL²/2EI

   B. WL²/3EI

   C. WL3/2EI

   D. WL3/3EI

7. The general expression for the B.M. of a beam of length l is the beam carries M = (wl/2) x – (wx²/2)_______________?

   A. A uniformly distributed load w/unit length
   B. A load varying linearly from zero at one end to w at the other end
   C. An isolated load at mid span
   D. None of these

8. Stress may be defined as_________________?

   A. Force per unit length
   B. Force per unit volume
   C. Force per unit area
   D. None of these

9. The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is_________________?

   A. WI/2
   B. WI²/4
   C. WI²/8
   D. WI²/12

10. Pick up the correct statement from the following?

    A. For a uniformly distributed load, the shear force varies linearly
    B. For a uniformly distributed load, B.M. curve is a parabola
    C. For a load varying linearly, the shear force curve is a parabola
    D. All the above