Exercise: Strength Of Materials

Questions for: Strength Of Materials

While testing a cast iron beam (2.5 cm x 2.5 cm) in section and a metre long simply supported at the ends failed when a 100 kg weight is applied at the centre. The maximum stress induced is :
A:
960 kg/cm2
B:
980 kg/cm2
C:
1000 kg/cm2
D:
1200 kg/cm2.
Answer: A
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Stress in members of statically determinate simple frames, can be determined by
A:
method of joints
B:
method of sections
C:
graphical solution
D:
all the above.
Answer: D
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An arch with three hinges, is a structure
A:
statically determinate
B:
statically indeterminate
C:
geometrically unstable
D:
structurally sound but indeterminate
Answer: A
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The shear force on a simply supported beam is proportional to
A:
displacement of the neutral axis
B:
sum of the forces
C:
sum of the transverse forces
D:
algebraic sum of the transverse forces of the section
Answer: D
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A cylinder is said to be thin if the ratio of its thickness and diameter, is less than
A:
1/25
B:
1/20
C:
1/15
D:
1/10
Answer: D
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