Structural Analysis - I (3140603) MCQs

MCQs of Direct and Bending stresses + Column & Struts

Showing 1 to 10 out of 61 Questions
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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
(a) D4D4-d4
(b) D3D3-d3
(c) D4-d4D4
(d) D3-d3D3
Answer:

Option (a)

2.
If Z and I are the section modulus and moment of inertia of the section, the shear force F and bending moment M at a section are related by
(a) F=MyI
(b) F=MZ
(c) F=dMdx
(d) F=∫M dx
Answer:

Option (c)

3.
The section modulus of a rectangular section is proportional to
(a) area of the section
(b) square of the area of the section
(c) product of the area and depth
(d) product of the area and width
Answer:

Option (a)

4.
Stress may be expressed in Newtons
(a) per millimetre square (N/mm2)
(b) per centimetre square (N/cm2)
(c) per metre square (N/m2)
(d) All of the above
Answer:

Option (d)

5.
The centre of gravity of a trapezoidal dam section whose top width is a, bottom width is b and the vertical side is a, from its vertical face is
(a) a2+ab+b23a+b
(b) b2+bc+c23b+c
(c) a2+ab+c23a+c
(d) none of these
Answer:

Option (a)

6.
A rectangular bar of width b and height h is being used as a cantilever. The loading is in a plane parallel to the side b. The section modulus is
(a) bh312
(b) bh26
(c) b2h6
(d) none of these
Answer:

Option (c)

7.

The range within which a load can be applied on a rectangular column, to avoid any tensile stress, is

(a)

one-half of the base
(b)

one-third of the base
(c)

one-fourth of the base
(d)

one-fifth of the base
Answer:

Option (b)

8.
In rectangular columns (cross-section b x h), the core is a
(a) rectangle of lengths b/2 and h/2
(b) square of length b/2
(c) rhombus of length h/2
(d) rhombus of diagonals b/3 and h/3
Answer:

Option (d)

9.
A short masonry pillar is 60 cm x 60 cm in cross-section, the core of the pillar is a square whose side is
(a) 17.32 cm
(b) 14.14 cm
(c) 20.00 cm
(d) 22.36 cm
Answer:

Option (b)

10.
For keeping the stress wholly compressive the load may be applied on a circular column anywhere within a concentric circle of diameter
(a) d/2
(b) d/3
(c) d/4
(d) d/8
Answer:

Option (c)

Showing 1 to 10 out of 61 Questions
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