Steel Structures Designing Multiple Choice Questions Test - Set 14 - ObjectiveBooks

Steel Structures Designing Multiple Choice Questions Test - Set 14

Practice Test: Question Set - 14

1. For simply supported beams, the maximum permitted deflection, is
    (A) 1/325 of the span
    (B) 1/350 of the span
    (C) 1/375 of the span
    (D) 1/400 of the span

2. Minimum spacing of vertical stiffeners is limited to
    (A) d/4
    (B) d/3
    (C) d/2
    (D) 2d/3
Where d is the distance between flange angles

3. The rolled steel I-sections are most commonly used as beams because these provide
    (A) Large moment of inertia with less cross-sectional area
    (B) Large moment of resistance as compared to other section
    (C) Greater lateral stability
    (D) All the above

4. If P is the wind pressure in kg/cm2v is the velocity in km/hour and K is a constant of proportionality, then
    (A) P = K/v2
    (B) v = K/P2
    (C) P = Kv2
    (D) P = Kv

5. As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into
    (A) 4 zones
    (B) 5 zones
    (C) 6 zones
    (D) 7 zones

6. Net sectional area of a tension member, is equal to its gross section area
    (A) Plus the area of the rivet holes
    (B) Divided by the area of rivet holes
    (C) Multiplied by the area of the rivet holes
    (D) None of these

7. For a single section used as a tension member, the given area is assumed
    (A) 20% to 30% in excess of the net area
    (B) 30% to 40% in excess of the net area
    (C) 40% to 50% in excess of the net area
    (D) 50% to 60% in excess of the net area

8. Study the following statements.
    (i) Top lateral bracing prevents the sides-way buckling of the chord.
    (ii) Sway bracing keeps the rectangular shape of the bridge cross-section.
    (iii) Sway bracing transfers the load from top of end posts to bearings.
The correct answer is
    (A) Only (i)
    (B) Both (i) and (ii)
    (C) Both (i) and (iii)
    (D) All (i), (ii) and (iii)

9. The effective length of a weld, is taken as the actual length
    (A) Minus the size of weld
    (B) Minus twice the size of weld
    (C) Plus the size of weld
    (D) Plus twice the size of weld

10. The greatest gauge of long rivets should not exceed (where d is the diameter of the holes).
    (A) 2 d
    (B) 4 d
    (C) 6 d
    (D) 8 d

11. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:
    (A) 1.5
    (B) 1.7
    (C) 2.0
    (D) 2.34

12. Rolled steel Tee-sections are used
    (A) As columns
    (B) With flat strips to connect plates in steel rectangular tanks
    (C) As built up sections to resist axial tension
    (D) None of these

13. Water pressure in a 80 cm water main is 10 kg/cm2. The minimum thickness of the metal required for the water main, not to be stressed more than 200 kg/cm2, is
    (A) 1 cm
    (B) 1.5 cm
    (C) 2 cm
    (D) 2.5 cm

14. Which of the following types of riveted joint is free from bending stresses?
    (A) Lap joint
    (B) Butt joint with single cover plate
    (C) Butt joint with double cover plates
    (D) None of the above

15. The beams supporting the steps of a stair are generally known as
    (A) Headers
    (B) Trimmers
    (C) Stringers
    (D) Spandrel beams

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