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Design Steel Structures
Design Steel Structures Assessment
Quiz 1
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Q.1
The design compressive strength of member is given by
a) Aefcd
b) Ae /fcd
c) fcd
d) 0.5Aefcd
Q.2
The design compressive stress, fcd of column is given by
a) [fy / γm0]/ [φ – (φ2-λ2)2].
b) [fy / γm0] / [φ + (φ2-λ2)].
c) [fy / γm0]/[φ – (φ2-λ2)0.5].
d) [fy / γm0] / [φ + (φ2-λ2)0.5].
Q.3
What is the value of imperfection factor for buckling class a?
a) 0.34
b) 0.75
c) 0.21
d) 0.5
Q.4
If imperfection factor α = 0.then what is the buckling class?
a) a
b) c
c) b
d) g
Q.5
The value of φ in the equation of design compressive strength is given by
a) φ = 0.5[1-α(λ-0.2)+λ2].
b) φ = 0.5[1-α(λ-0.2)-+λ2].
c) φ = 0.5[1+α(λ+0.2)-λ2].
d) φ = 0.5[1+α(λ-0.2)+λ2].
Q.6
Euler buckling stress fcc is given by
a) (π2E)/(KL/r)2
b) (π2E KL/r)2
c) (π2E)/(KL/r)
d) (π2E)/(KLr)2
Q.7
What is the value of non dimensional slenderness ratio λ in the equation of design compressive strength?
a) (fy /fcc)
b) √(fy fcc)
c) √(fy /fcc)
d) (fy fcc)
Q.8
The design compressive strength in terms of stress reduction factor is given by
a) Xfy
b) Xfy / γm0
c) X /fy γm0
d) Xfy γm0
Q.9
The value of design compressive strength is limited to
a) fy + γm0
b) fy
c) fy γm0
d) fy / γm0
Q.10
The compressive strength for ISMBused as a column for lengthwith both ends hinged is
a) 275 kN
b) 375.4 kN
c) 453 kN
d) 382 kN
0 h : 0 m : 1 s
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