Exercise: Strength Of Materials

Questions for: Strength Of Materials

A beam is said to be of uniform strength, if
A:
B.M. is same throughout the beam
B:
deflection is same throughout the beam
C:
bending stress is same throughout the beam
D:
shear stress is same throughout the beam
Answer: C
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The region of the cross-section of a column in which compressive load may be applied without producing any tensile stress, is known as the core of the cross-section. In circular columns the radius of the core, is
A:
one-half of the radius
B:
one-third of the radius
C:
one-quarter of the radius
D:
one-fifth of the radius
Answer: C
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The shear stress at any section of a shaft is maximum
A:
at the centre of the section
B:
at a distance r/2 from the centre
C:
at the top of the surface
D:
at a distance 3/4 r from the centre
Answer: C
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When loads are applied proportionately to a frame structure containing its members in one plane, the structure is called
A:
grid frame
B:
plane frame
C:
space frame
D:
truss frame.
Answer: B
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In a beam, the neutral plane
A:
may be its centre
B:
passes through the C.G. of the area of cross-section
C:
does not change during deformation
D:
none of these.
Answer: C
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