Exercise: Strength Of Materials

Questions for: Strength Of Materials

The ratio of the lateral strain to the linear strain is called
A:
modulus of elasticity
B:
modulus of rigidity
C:
bulk modulus
D:
Poisson's ratio
Answer: D
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A closely-coiled helical spring of stiffness k is cut into (n) equal parts. The stiffness in each part of the spring will be
A:
kn
B:
nk
C:
nk
D:
nk2
Answer: C
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A flitched beam is used to
A:
change the shape of the beam
B:
effect the saving in material
C:
equalise the strength in tension and compression
D:
increase the cross-section of the beam
Answer: C
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In a watch, the spring is used to store strain energy. This energy is released
A:
to stop the watch
B:
to run the watch
C:
to change the time
D:
all of these
Answer: B
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The distance between the centres of rivets in adjacent rows of zig-zag riveted joint, is called back pitch.
A:
True
B:
False
C:
D:
Answer: B
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