# Civil Engineering - Strength of Materials

26.
If a steel rod of 20 mm diameter and 5 metres long elongates by 2.275 mm when subjected to an axial pull of 3000 kg, the stress developed, is
9.5541 kg/cm2
95.541 kg/cm2
955.41 kg/cm2
9554.1 kg/cm2.
Explanation:
No answer description is available. Let's discuss.

27.
Shear force for a cantilever carrying a uniformly distributed load over its length, is
triangle
rectangle
parabola
cubic parabola.
Explanation:
No answer description is available. Let's discuss.

28.
If the width of a simply supported beam carrying an isolated load at its centre is doubled, the deflection of the beam at the centre is changed by
2 times
4 times
8 times
1/2 times
3 times.
Explanation:
No answer description is available. Let's discuss.

29.
For a stable frame structure, number of members required, is
three times the number of joints minus three
twice the number of joints minus three
twice the number of joints minus two
twice the number of joints minus one
none of these.