Mechanics of Materials & Structures Questions


Some Important Question for Mechanics of Materials & Structures With Answer

1.      When a rectangular beam is loaded transversely the maximum compressive stress is developed on the :
a)     Top layer
b)     Bottom layer
c)     Neutral axis
d)     Every cross section

2.      A simply supported beam of span L carries a uniformly distributed load W. the maximum bending moment, M is :
a)     WL/2
b)     WL/4
c)     WL/8
d)     WL/16

3.      Fatigue is the failure of material under :
a)     Constant loads but occasionally well above static load
b)     Varying loads, well below ultimate static load
c)     Constant loads well below ultimate static load
d)     Varying loads well above ultimate static load

4.      If a road simultaneously pulled at both of its ends, it will be a case of :
a)     Axial loading
b)     Vertical loading
c)     Horizontal loading
d)     None of these

5.      A member which does not regain its original shape after the load producing deformation is removed, is said to be :
a)     Plastic
b)     Elastic
c)     Rigid
d)     None of the above

6.      The law which states with within elastic limits strain produced in proportional to stress producing it is known as :
a)     Bernoulli’s law
b)     Stress law
c)     Hooke’s law
d)     Poisson’s law

7.      The ratio of the largest load in a test to the original cross-sectional area of the piece is called :
a)     Elastic limit
b)     Ultimate stress
c)     Yield stress
d)     Breaking stress

8.      The bending moment at a section tends to bend or deflect the beam and internal stresses resist its bending. The resistance offered by the internal stress to the bending, is called :
a)     Compressive stress
b)     Shear stress
c)     Bending stress
d)     Elastic modulus

9.      Tensile internal force tends to :
a)     Crush the member
b)     Elongate the member
c)     Shorten the member
d)     Smash the member

10. The magnitude of a shear force at a distance of L/4 from either end of a simply supported beam with load P applied at mid span is equal to :
a)     P
b)     P/2
c)     P/4
d)     P/8


Q
Ans
Q
Ans
1
a
6
c
2
c
7
b
3
b
8
c
4
a
9
c
5
a
10
b


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