# Civil Engineering - Strength of Materials

Exercise : Strength of Materials - Section 4

- Strength of Materials - Section 1
- Strength of Materials - Section 2
- Strength of Materials - Section 3
- Strength of Materials - Section 4
- Strength of Materials - Section 5

21.

A closely coiled helical spring of radius

*R*, contains*n*turns and is subjected to an axial load*W*. If the radius of the coil wire is*r*and modulus of rigidity of the coil material is*C*, the deflection of the coil is22.

The width of a beam of uniform strength having a constant depth

*d*length*L*, simply supported at the ends with a central load*W*is23.

Beams of uniform strength are preferred to those of uniform section because these are economical for

24.

The moment diagram for a cantilever whose free end is subjected to a bending moment, will be a

25.

Reactions at the supports of a structure can be determined by equating the algebraic sum of

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