# Interview Questions on Steel Structures – Set 10

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## Q1. According to I.S. : 800 – 1871, lacing bars resist transverse shear equal to

(A) 1.0% of the axial load
(B) 2.0% of the axial load
(C) 2.5% of the axial load
(D) 3.0% of the axial load

(A) 26,000 kg
(B) 26,025 kg
(C) 26,050 kg
(D) 26,075 kg

## Q3. If fbt and fc are the co-existent bending tensile stress and shear stress in a member, the equivalent stress fc is

(A) √(fbt2 + fc2)
(B) √(fbt2 + ½fc2)
(C) √(fbt2 + 3fc2)
(D) √(fbt2 – 3fc2)

(A) 1.8 L
(B) L
(C) 1.1 L
(D) 1.5 L

## Q5. The effect of racking forces is considered in the design of(i) Lateral braces(ii) Chord membersThe correct answer is

(A) Only (i)
(B) Only (ii)
(C) Both (i) and (ii)
(D) None of the above

(A) 1.0
(B) 1.4
(C) 1.8
(D) 2.0

## Q7. The method of design of steel framework for greatest rigidity and economy in weight, is known as

(A) Simply design
(B) Semi-rigid design
(C) Fully rigid design
(D) None of these

(A) L
(B) 1/√2 × L
(C) ½ L
(D) 2L

## Q9. When a large value of radius of gyration is not required

(A) Channels are placed back to back
(B) Channel flanges are kept inward
(C) Channel flanges are kept outward
(D) None of these

Answer: (B) Channel flanges are kept inward

## Q10. 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 = 0.7 L
(B) l = 0.75 L
(C) l = 0.85 L
(D) l = 0.5 L

Answer: (B) l = 0.75 L

(A) Two series
(B) Three series
(C) Four series
(D) Five series

## Q12. 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) All the above

## Q13. Economical depth of a plate girder corresponds to

(A) Minimum weight
(B) Minimum depth
(C) Maximum weight
(D) Minimum thickness of web

## Q14. Shape factor is a property which depends

(A) Only on the ultimate stress of the material
(B) Only on the yield stress of the material
(C) Only on the geometry of the section
(D) Both on the yield stress and ultimate stress of material

Answer: (C) Only on the geometry of the section

(A) 5 mm
(B) 6 mm
(C) 8 mm
(D) 10 mm