Exercise: Strength Of Materials

Questions for: Strength Of Materials

If the beam is supported so that there are only three unknown reactive elements at the supports. These can be determined by using the following fundamental equation of statics
A:
∑H = 0
B:
∑V = 0
C:
∑H = 0; ∑H = 0
D:
∑H = 0; ∑V = 0; ∑M = 0
Answer: D
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The neutral axis of a beam cross-section must
A:
pass through the centroid of the section
B:
be equidistant from the top of bottom films
C:
be an axis of symmetry of the section
D:
none of these.
Answer: A
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Pick up the correct assumption of the theory of simple bending
A:
The value of the Young's modulus is the same in tension as well as in compression
B:
Transverse section of a beam remains plane before and after bending
C:
The material of the beam is homogeneous and isotropic
D:
The resultant pull or thrust on transverse section of a beam is zero
Answer: E
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The maximum load to which a fillet joint of length L can be subjected to, is
A:
0.7 x S x fillet size x L
B:
2 x S x fillet size x L
C:
permissible shear stress x fillet size x L
D:
Answer: A
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Failure of riverted joints is due to
A:
Tearing of the plates between the rivet hole and the edge of the plate
B:
Tearing of plates between rivets
C:
Shearing of rivets
D:
Crushing of rivets
Answer: E
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