Steel Structures Civil Engineering MCQ Test - Set 07 - ObjectiveBooks

# Practice Test: Question Set - 07

1. The effective length of a compression member of length L held in position and restrained in direction at one end and effectively restrained in direction but not held in position at the other end, is
(A) L
(B) 0.67 L
(C) 0.85 L
(D) 1.5 L

2. Working shear stress on the gross area of a rivet as recommended by Indian Standards, is
(A) 785 kg/cm2
(B) 1025 kg/cm2
(C) 2360 kg/cm2
(D) None of these

3. The least dimension in case of a circular column of diameter ‘D’ is taken as
(A) 0.5 D
(B) 0.68 D
(C) 0.88 D
(D) D

4. The critical load for a column of length I hinged at both ends and having flexural rigidity El, is given by
(A) Pc = Ï€2EI/l2
(B) Pc = Ï€EI/l2
(C) Pc = Ï€EI/I2
(D) None of these

5. Length of an outstanding leg of a vertical stiffener, may be taken equal to
(A) 1/10th of clear depth of the girder plus 15 mm
(B) 1/20th of clear depth of the girder plus 20 mm
(C) 1/25th of clear depth of the girder plus 25 mm
(D) 1/30th of clear depth of the girder plus 50 mm

6. In case of plastic design, the calculated maximum shear capacity of a beam as per IS: 800 shall be
(A) 0.55 Aw.fy
(B) 0.65 Aw.fy
(C) 0.75 Aw.fy
(D) 0.85 Aw.fy
Where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel

7. If the depth of two column sections is equal, then the column splice is provided
(A) With filler plates
(B) With bearing plates
(C) With filler and hearing plates
(D) None of these

(A) Steel work
(B) Material fastened to steel work
(C) Material supported permanently
(D) All the above

9. A steel beam supporting loads from the floor slab as well as from wall is termed as
(A) Stringer beam
(B) Lintel beam
(C) Spandrel beam

10. The area Ap of cover plates in one flange of a built up beam, is given by
(A) Ap = Zreqr + Zbeam/h
(B) Ap = Zreqr + Zbeam/A
(C) Ap = Zreqr × Zbeam/h
(D) Ap = Zreqr - Zbeam/h

11. The economical depth d of a web plate in which allowable bearing stress is fb, and the maximum bending moment is M, as suggested by Rawater and Clark, is
(A) d = ∛(M/fb)
(B) d = 1.5 ∛(M/fb)
(C) d = 2.5 ∛(M/fb)
(D) d = 4.5 ∛(M/fb)

12. Bending compressive and tensile stresses respectively are calculated based on
(A) Net area and gross area
(B) Gross area and net area
(C) Net area in both cases
(D) Gross area in both cases

13. The thickness ‘t’ of a single flat lacing should not be less than
(A) 1/30th length between inner end rivets
(B) 1/40th length between inner end rivets
(C) 1/50th length between inner end rivets
(D) 1/60th length between inner end rivets

14. Minimum pitch of the rivets shall not be less than
(A) 1.5 d
(B) 2.0 d
(C) 2.5 d
(D) 3.0 d
Where d is gross diameter of rivet

15. Tongue plates are provided in a steel girder at
(A) The upper flange
(B) The lower flange
(C) The upper end of the web
(D) The upper and lower ends of the web

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