# Mechanical Engineering - Strength of Materials

Exercise : Strength of Materials - Section 8
36.
The rectangular beam 'A ' has length l, width b and depth d. Another beam 'B' has the same width and depth but length is double that of 'A'. The elastic strength of beam 'B' will be __________ as compared to beam A.
same
one-half
one-fourth
one-eighth
Explanation:
No answer description is available. Let's discuss.

37.
A simply supported beam with a gradually varying load from zero at B and w per unit length at A is shown in the below figure. The shear force at B is equal to
wl/6
wl/3
wl
2 wl/3
Explanation:
No answer description is available. Let's discuss.

38.
A tensile test is performed on a round bar. After fracture, it has been found that the diameter remains approximately same at fracture. The material under test was
mild steel
cast iron
glass
copper
Explanation:
No answer description is available. Let's discuss.

39.
In a simply supported beam carrying a uniformly distributed load w per unit length, the point of contraflexure
lies in the centre of the beam
lies at the ends of the beam
depends upon the length of beam
does not exist