Civil Engineering Steel Design pdf - Set 19 - ObjectiveBooks

# Practice Test: Question Set - 19

1. Number of rivets required in a joint, is
(A) Load/Shear strength of a rivet
(B) Load/Bearing strength of a rivet
(C) Load/Tearing strength of a rivet
(D) Load/Rivet value

2. If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as
(A) 0
(B) 0.5
(C) Between 0.5 and 1.0
(D) 1.0

3. A riveted joint many experience
(A) Tearing failure of plates
(B) Splitting failure of plates at the edges
(C) Bearing failure of rivets
(D) All the above

4. Diameter of a bolt hole is usually taken as
(A) Gross diameter of bolt
(B) Nominal diameter + 1.5 mm
(C) Nominal diameter + 2.0 mm
(D) Nominal diameter of bolt

5. The effective length of a double angle strut with angles placed back to back and connected to both the sides of a gusset plate, by not less than two rivets, is
(A) 0.5 L
(B) 0.67 L
(C) 0.85 L
(D) 2 L

6. The range of economical spacing of trusses varies from
(A) L/3 to L/5
(B) L/4 to 2L/5
(C) L/3 to L/2
(D) 2L/5 to 3L/5, where L is span

7. Effective sectional area of a compression member is:
(A) Gross sectional area - area of rivet hole
(B) Gross sectional area + area of rivet hole
(C) Gross sectional area × area of rivet hole
(D) Gross sectional area + area of rivet hole

8. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is
(A) 150
(B) 180
(C) 250
(D) 350

9. In plastic analysis, the shape factor for circular sections, is
(A) 1.5
(B) 1.6
(C) 1.697
(D) None of these

10. The external wind pressure acting on a roof depends on
(A) Degree of permeability of roof
(B) Slope of roof
(C) Both (A) and (B)
(D) None of the above

11. The failure of a web plate takes place by yielding if the ratio of the clear depth to thickness of the web, is less than
(A) 45
(B) 55
(C) 62
(D) 82

12. The actual thickness of butt weld as compared to the thickness of plate is usually
(A) More
(B) Less
(C) Equal
(D) None of the above

13. The ratio of longitudinal stress to strain within elastic limit, is known as
(A) Modulus of elasticity
(B) Shear modulus of elasticity
(C) Bulk modulus of elasticity
(D) All the above

14. The slenderness ratio of lacing bars should not exceed
(A) 100
(B) 120
(C) 145
(D) 180

15. In a fillet weld placed on the sides of the base, the metal experiences
(A) Shear
(B) Tension
(C) Compression
(D) All the above

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