Civil Engineering - Strength of Materials

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 is
Answer: Option
Explanation:
No answer description is available. Let's discuss.

22.
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 is
Answer: Option
Explanation:
No answer description is available. Let's discuss.

23.
Beams of uniform strength are preferred to those of uniform section because these are economical for
large spans
heavy weights
light weights
short spans.
Answer: Option
Explanation:
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24.
The moment diagram for a cantilever whose free end is subjected to a bending moment, will be a
triangle
rectangle
parabola
cubic parabola.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

25.
Reactions at the supports of a structure can be determined by equating the algebraic sum of
horizontal forces to zero
vertical forces to zero
moment about any point to zero
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.