Design of Steel Structures Interview Questions and Answers - Set 11 - ObjectiveBooks
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# Practice Test: Question Set - 11

1. The strength of ISA 125 = 75 × 10 mm used as a tie member with its longer leg connected at the ends by 27 mm diameter rivets, is
(A) 26,000 kg
(B) 26,025 kg
(C) 26,050 kg
(D) 26,075 kg

2. The effect of racking forces is considered in the design of
(i) Lateral braces
(ii) Chord members
(A) Only (i)
(B) Only (ii)
(C) Both (i) and (ii)
(D) None of the above

3. For a column of height ‘L’ fixed in position and direction both at its top and bottom, its effective length, is
(A) L
(B) 1/√2 × L
(C) ½ L
(D) 2L

4. As per ISI, rolled steel beam sections are classified into
(A) Two series
(B) Three series
(C) Four series
(D) Five series

5. Shape factor is a property which depends
(A) Only on the ultimate stress of the material
(B) Only on the yield stress of the material
(C) Only on the geometry of the section
(D) Both on the yield stress and ultimate stress of material

6. A tension member, if subjected to possible reversal of stress due to wind, the slenderness ratio of the member should not exceed
(A) 180
(B) 200
(C) 300
(D) 350

7. Pick up the correct statement from the following:
(A) Tacking rivets are used if the minimum distance between centres of two adjacent rivets exceeds 12 t or 200 mm, whichever is less
(B) Tacking rivets are not considered to calculate stress
(C) Tacking rivets are provided throughout the length of a compression member composed of two components back to back
(D) All the above

8. Lug angles
(A) Are used to reduce the length of connection
(B) Are unequal angles
(C) Increases shear lag
(D) All the above

9. The Indian standard code which deals with steel structures, is
(A) IS : 875
(B) IS : 800
(C) IS : 456
(D) IS : 1893

10. Under a concentrated load, bearing stress fb in a beam is given by (where b is the length of the bearing plate and h is the depth of the root of the fillet).
(A) fb = W/(b + h√3)tw
(B) fb = W/(b + 2h√3)tw
(C) fb = W/(b + 2h√2)tw
(D) fb = W/(b + h√2)tw

11. When the axis of load lies in the plane of rivet group, then the rivets are subjected to
(A) Only shear stresses
(B) Only tensile stresses
(C) Both (A) and (B)
(D) None of the above

12. For double angles carrying tension, placed back to back and connected to either side of the gusset plate, the sectional area of the section, is equal to cross sectional area of
(A) The section
(B) The section plus area of rivet holes
(C) The section minus area of rivet holes
(D) The section multiplied by the area of the rivet hole

13. The beam outside a wall up to floor level above it, is known as
(A) Rafter
(B) Purlin
(C) Spandrel beam
(D) Lintel

14. In the cross-section of a weld, throat is the
(A) Minimum dimension
(B) Average dimension
(C) Maximum dimension
(D) None of the above

15. The rivets which are heated and then driven in the field, are known
(A) Power driven shop rivets
(B) Power driven field rivets
(C) Hand driven rivets
(D) Cold driven rivets

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