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- Question
If P is the allowable bending stress in a slab, whose greater and lesser projections from the column faces, are A and B, the thickness (t) of the slab base, is (where w is the intensity of earth pressure.)
Options- A.
- B.
- C.
- D.
- Correct Answer
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- 1. Pick up the correct statement from the following:
Options- A. The slenderness ratio of lacing bars for compression members should not exceed 145
- B. The minimum width of lacing bar connected with rivets of nominal diameter 16 mm, is kept 50 mm
- C. The minimum thickness of a flat lacing bar is kept equal to one-fortieth of its length between inner end rivets
- D. The angle of inclination of lacing bars and the axis of the members should be between 40° and 70°
- E. All the above. Discuss
- 2. If N is the number of rivets in the joint, the strength of a riveted joint against shearing of rivets, is given by
Options- A. Ps = N x (?/4) d2 x Ps
- B. Ps = N x (d x t x ps)
- C. Ps = N x (p - d) x t x Ps
- D. Ps = N x (P + d) x t x ps.
- E. none of these. Discuss
- 3. For a cantilever beam of length L continuous at the support and unrestrained against torsion at the support and free at the end, the effective length l is equal to
Options- A. l = L
- B. l = 2L
- C. l = 0.5L
- D. l = 3L
- E. l = 3.5L Discuss
- 4. Long column is one
Options- A. which is more than 3 m long
- B. whose lateral dimension is less than 25 cm
- C. which is free at its top
- D. which has a ratio of effective length and least lateral dimension more than 15. Discuss
- 5. For steel members exposed to weather and not accessible for repainting, the thickness of steel should not be less than
Options- A. 4.5 mm
- B. 6 mm
- C. 8 mm
- D. 10 mm Discuss
- 6. Rivets subjected to shear and an externally applied tensile force, should be so proportioned that
Options- A.
- B.
- C.
- D.
Discuss
- 7. The net area of round bars to resist the tension, is the area of cross section at
Options- A. mid-section
- B. root of the thread
- C. difference of (a) and (b)
- D. none of these. Discuss
- 8. A beam may be designed as a cased beam if
Options- A. section is of double open channel form with the webs not less than 40 mm apart
- B. overall depth and width of the steel section do not exceed 750 and 450 mm respectively.
- C. beam is solidly encased in concrete with 10 mm aggregate having 28 days strength 160 kg/cm2
- D. width of the solid casing is kept at least 100 mm more than the width of the steel flange and having a concrete cover of 50 mm
- E. all the above. Discuss
- 9. Design of a riveted joint is based on the assumption:
Options- A. Bending stress in rivets is accounted for
- B. Riveted hole is assumed to be completely filled by the rivet
- C. Stress in the plate in not uniform
- D. Friction between plates is taken into account
- E. None of these. Discuss
- 10. In factory buildings, the horizontal beams spanning between the wall columns supporting a wall covering, are called
Options- A. stringers
- B. trimmers
- C. girts
- D. lintels. Discuss
Steel Structure Design problems
Search Results
Correct Answer: All the above.
Correct Answer: Ps = N x (?/4) d2 x Ps
Correct Answer: l = 3L
Correct Answer: which has a ratio of effective length and least lateral dimension more than 15.
Correct Answer: 8 mm
Correct Answer:
Correct Answer: root of the thread
Correct Answer: all the above.
Correct Answer: Riveted hole is assumed to be completely filled by the rivet
Correct Answer: girts
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