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## 3. Show whether the statements below are True or False: a) The Euler formula for steel columns deals with inelastic buckling. b) One major reason for inelastic buckling of steel columns is residual stresses that develop in the process of hot rolling. c) Strengths of steel columns are independent of the slenderness ratios of columns. d) A W14×22 with Fy =36 ksi does not have slender elements. e) Flexural-torsional bulking does not need to be considered for a column with a C-shape section. f) Torsional buckling does not need to be considered for a column with a rectangular HSS section. g) In a non-sidesway frame, the effective length factor K for all columns shall be taken as 1.0. h) The minimum edge distance for a 1-in. dia. A307 bolt is 1¼ in. i) The minimum spacing between two adjacent 1-in. dia. bolts is 2 ¼ in. j) In a bolted connection, there is no need to check the bearing strength at each of the bolt holes if the bolt shear strength is adequate.

3. Show whether the statements below are True or False:
a) The Euler formula for steel columns deals with inelastic buckling.
b) One major reason for inelastic buckling of steel columns is residual stresses that develop in the
process of hot rolling.
c) Strengths of steel columns are independent of the slenderness ratios of columns.
d) A W14×22 with Fy =36 ksi does not have slender elements.
e) Flexural-torsional bulking does not need to be considered for a column with a C-shape section.
f) Torsional buckling does not need to be considered for a column with a rectangular HSS section.
g) In a non-sidesway frame, the effective length factor K for all columns shall be taken as 1.0.
h) The minimum edge distance for a 1-in. dia. A307 bolt is 1¼ in.
i) The minimum spacing between two adjacent 1-in. dia. bolts is 2 ¼ in.
j) In a bolted connection, there is no need to check the bearing strength at each of the bolt holes if
the bolt shear strength is adequate.

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