Gradually applied static loads do not change with time their_______________?

Related Mcqs:

1. The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a bar, is__________________?

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

2. A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is_________________?

   A. WL/2AE
   B. WL/AE
   C. W²L/AE
   D. W²L/2AE

3. cross sections of bronze and copper bars of equal lengt b c are their Ab and Ac are the respective stresses due to load P. If Pb and Pc are the loads shared by them, (where Eb and Ec are their modulii)____________________?

   A. b c = Eb /Ec
   B. P = Pb + Pc
   C. P = Ab b + Ac b
   D. All the above

4. The ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is________________?

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

5. static equations i.e. H V M = 0, to a determinate structure, we may By applying the determine_________________?

   A. Supporting reactions only
   B. Shear forces only
   C. Bending moments only
   D. All the above

6. A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm2 and Poisson’s ratio is 0.25, the change in the volume of the bar is_________________?

   A. 1.125 cm3
   B. 2.125 cm3
   C. 3.125 cm3
   D. 4.125 cm2

7. Maximum strain theory for the failure of a material at the elastic limit, is known as_______________?

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

8. The equivalent length is of a column of length having both the ends fixed, is_________________?

   A. 2 L
   B. L
   C. L/2
   D. L

9. For beams breadth is constant__________________?

   A. Depth d M
   B. Depth d 3
   C. Depth d
   D. Depth d 1/M

10. Pick up the correct statement from the following?

    A. For channels, the shear centre does not coincide its centroid
    B. The point of intersection of the bending axis with the cross section of the beam, is called shear centre
    C. For I sections, the shear centre coincides with the centroid of the cross section of the beam
    D. All the above