Design of Steel Structures Multiple Choice Questions - Set 04 - ObjectiveBooks

# Practice Test: Question Set - 04

1. The ratio of shearing stress to shearing strain within elastic limit, is known as
(A) Modulus of elasticity
(B) Shear modulus of elasticity
(C) Bulk modulus of elasticity
(D) Tangent modulus of elasticity

2. 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 minimize lacing
(C) To have greater lateral rigidity
(D) All the above

3. The overlap of batten plates with the main members in welded connections should be more than
(A) 3 t
(B) 4 t
(C) 6 t
(D) 8 t
Where ‘t’ = thickness of the batten plate

4. A fillet weld may be termed as
(A) Mitre weld
(B) Concave weld
(C) Convex weld
(D) All the above

5. Modified moment of inertia of sections with a single web, is equal to moment of inertia of the section about Y-Y axis at the point of maximum bending moment and is multiplied by the ratio of
(A) Area of compression flange at the minimum bending moment to the corresponding area at the point of maximum bending moment
(B) Area of tension flange at the minimum bending moment of the corresponding area at the point of maximum bending moment
(C) Total area of flanges at the maximum bending moment to the corresponding area at the point of maximum bending moment
(D) None of these

6. Gantry girders are designed to resist
(C) Lateral, longitudinal and vertical loads

7. The distance between e.g. of compression and e.g. of tension flanges of a plate girder, is known as
(A) Overall depth
(B) Clear depth
(C) Effective depth
(D) None of these

8. The effective length of a compression member of length L held in position at both ends but not restrained in direction, is
(A) L
(B) 0.67 L
(C) 0.85 L
(D) 1.5 L

9. The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as
(A) 0.65 kN/m2
(B) 0.75 kN/m2
(C) 1.35 kN/m2
(D) 1.50 kN/m2

10. Pick up the correct statement from the following:
(D) None of these

11. Design of a riveted joint is based on the assumption:
(A) Bending stress in rivets is accounted for
(B) Riveted hole is assumed to be completely filled by the rivet
(C) Stress in the plate in not uniform
(D) Friction between plates is taken into account

12. Steel tanks are mainly designed for
(A) Weight of tank
(B) Wind pressure
(C) Water pressure
(D) Earthquake forces

13. The cross-section of a standard fillet is a triangle whose base angles are
(A) 45° and 45°
(B) 30° and 60°
(C) 40° and 50°
(D) 20° and 70°

14. If N is the number of rivets in the joint, the strength of a riveted joint against shearing of rivets, is given by
(A) Ps = N × (Ï€/4) d2 × Ps
(B) Ps = N × (d × t × ps)
(C) Ps = N × (p - d) × t × Ps
(D) Ps = N × (P + d) × t × ps

15. The sway bracing is designed to transfer
(A) 20% of the top panel wind load to bottom bracing
(B) 10% of the top panel wind load to bottom bracing
(C) 25% of the top panel wind load to bottom bracing
(D) 50% of the top panel wind load to bottom bracing

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