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Civil Engineering - Strength of Materials

Exercise : Strength of Materials - Section 3
1.
The ratio of the moments of resistance of a solid circular shaft of diameter D and a hollow shaft (external diameter D and internal diameter d), is
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
A cantilever carries is uniformly distributed load W over its whole length and a force W acts at its free end upward. The net deflection of the free end will be
zero
upward
downward
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
The moment diagram for a cantilever carrying a concentrated load at its free end, will be
triangle
rectangle
parabola
cubic parabola.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
In a shaft rotated by a couple, the shear force varies
from zero at the centre to a maximum at the circumference
from minimum at the centre of maximum at the circumference
from maximum at the centre to zero at the circumference
equally throughout the section
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The section modulus of a rectangular light beam 25 metres long is 12.500 cm3. The beam is simply supported at its ends and carries a longitudinal axial tensile load of 10 tonnes in addition to a point load of 4 tonnes at the centre. The maximum stress in the bottom most fibre at the mid span section, is
13.33 kg/cm2 tensile
13.33 kg/cm2 compressive
26.67 kg/cm2 tensile
26.67 kg/cm2 compressive
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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