Steel Structures Design Quiz Questions – Set 15

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Q1. A butt weld is specified by

(A) Effective throat thickness
(B) Plate thickness
(C) Size of weld
(D) Penetration thickness

Answer:(A) Effective throat thickness

Q2. 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

Answer: (D) 2.34

Q3. The capacity of the smallest pressed steel tank is

(A) 1000 liter
(B) 1650 liter
(C) 1950 liter
(D) 2450 liter

Answer: (C) 1950 liter

Q4. The most economical section for a column, is

(A) Rectangular
(B) Solid round
(C) Flat strip
(D) Tubular section

Answer:(D) Tubular section

Q5. 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

Answer: (B) With flat strips to connect plates in steel rectangular tanks

Q6. The permissible stress to which a structural member can be subjected to, is known as

(A) Bearing stress
(B) Working stress
(C) Tensile stress
(D) Compressive stress

Answer: (B) Working stress

Q7. In rolled steel beams, shear force is mostly resisted by

(A) Web only
(B) Flanges only
(C) Web and flanges together
(D) None of these

Answer: (A) Web only

Q8. 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

Answer: (C) 2 cm

Q9. Tacking rivets in tension members, are provided at a pitch in line not exceeding

(A) 25 cm
(B) 50 cm
(C) 75 cm
(D) 100 cm

Answer: (D) 100 cm

Q10. If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be

(A) 40 mm
(B) 60 mm
(C) 80 mm
(D) 100 mm

Answer: (B) 60 mm

Q11. 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

Answer: (C) Butt joint with double cover plates

Q12. In case of timber structures, the form factor for solid circular cross-section is taken as

(A) 1.18
(B) 1.414
(C) 1.67
(D) 1.81

Answer: (A) 1.18

Q13. The minimum edge distance of a rivet line connecting two or more plates, is kept equal to 37 mm plus (where t is the thickness in mm of the thinner outside plate).

(A) 2 t
(B) 4 t
(C) 6 t
(D) 8 t

Answer: (B) 4 t

Q14. The beams supporting the steps of a stair are generally known as

(A) Headers
(B) Trimmers
(C) Stringers
(D) Spandrel beams

Answer: (C) Stringers

Q15. The distance between the outer faces of flanges of a plate girder, is known as

(A) Overall depth
(B) Clear depth
(C) Effective depth
(D) None of these

Answer: (A) Overall depth

Design of Steel Structures MCQ SET wise with Answers

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