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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