Exercise: Steel Structure Design

Questions for: Steel Structure Design

If P is the wind pressure in kg/cm2, v is the velocity in km/hour and K is a constant of proportionality, then
A:
P = K/v2
B:
v = K/P2
C:
P = Kv2
D:
P = Kv
Answer: C
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In a built up section carrying a tensile force, the flanges of two channels are turned outward
A:
to simplify the transverse connections
B:
to minimise lacing
C:
to have greater lateral rigidity
D:
all the above
Answer: C
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For a cantilever beam of length L built-in at the support and restrained against torsion at the free end, the effective projecting length l is
A:
l = 0.7L
B:
l = 0.75L
C:
l = 0.85L
D:
l = 0.5L
Answer: B
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The deflection of beams may be decreased by
A:
increasing the depth of beam
B:
increasing the span
C:
decreasing the depth of beam
D:
increasing the width of beam
Answer: A
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The ratio of hydrostatic stress to the volumetric strain within the elastic range, is called
A:
modulus of elasticity
B:
shear modulus of elasticity
C:
bulk modulus of elasticity
D:
tangent modulus of elasticity
Answer: C
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