Steel Structure Design problems
- 1. The diameter of a bolt hole is taken as the nominal diameter of the bolt plus
Options- A. 1.0 mm
- B. 1.2 mm
- C. 1.4 mm
- D. 1.6 mm
- E. 1.5 mm Discuss
Correct Answer: 1.6 mm
- 2. For a cantilever beam of length L built-in at the support and restrained against torsion at the free end, the effective projecting length l is
Options- A. l = 0.7L
- B. l = 0.75L
- C. l = 0.85L
- D. l = 0.5L
- E. l = L Discuss
Correct Answer: l = 0.75L
- 3. The deflection of beams may be decreased by
Options- A. increasing the depth of beam
- B. increasing the span
- C. decreasing the depth of beam
- D. increasing the width of beam
- E. none of these. Discuss
Correct Answer: increasing the depth of beam
- 4. When plates are exposed to weather, tacking rivets are provided at a pitch in line not exceeding (where t is the thickness of the outside plate).
Options- A. 8 t
- B. 16 t
- C. 24 t
- D. 32 t
- E. 48 t Discuss
Correct Answer: 16 t
- 5. Stiffeners are used in a plate girder
Options- A. to reduce the compressive stress
- B. to reduce the shear stress
- C. to take the bearing stress
- D. to avoid bulking of web plate. Discuss
Correct Answer: to avoid bulking of web plate.
- 6. Pick up the correct statement from the following:
Options- A. The steel beams placed in plain cement concrete, are known as reinforced beams
- B. The filler joists are generally continuous over three-supports only
- C. Continuous fillers are connected to main beams by means of cleat angles
- D. Continuous fillers are supported by main steel beams
- E. All the above. Discuss
Correct Answer: Continuous fillers are supported by main steel beams
- 7. Pick up the correct statement from the following:
Options- A. Loaded columns are supported on column bases
- B. Column bases transmit the column load to the concrete foundation
- C. Column load is spread over a large area on concrete
- D. In column bases, intensity of pressure on concrete block is assumed to be uniform
- E. All the above. Discuss
Correct Answer: All the above.
- 8. In a tension member if one or more than one rivet holes are off the line, the failure of the member depends upon :
Options- A. pitch
- B. gauge
- C. diameter of the rivet holes
- D. all the above. Discuss
Correct Answer: all the above.
- 9. The stress in the wall of a thin cylinder subjected to internal pressure, is
Options- A. hoop compression
- B. shear
- C. torsional shear
- D. hoop tension. Discuss
Correct Answer: hoop tension.
- 10. The greatest permissible clear dimension of the web of thickness t in the panel of a plate girder, is restricted to
Options- A. 180 t
- B. 220 t
- C. 230 t
- D. 260 t
- E. 270 t Discuss
Correct Answer: 270 t
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