Steel Structure Design problems
- 1. When a large value of radius of gyration is not required
Options- A. channels are placed back to back
- B. channel flanges are kept inward
- C. channel flanges are kept outward
- D. none of these. Discuss
Correct Answer: channel flanges are kept inward
- 2. A 20 mm dia steel bar which is subjected to an axial tension of 2300 kg/cm2 produces a strain of 0.004 cm. If Young's modulus of steel is 2.1 x 106 kg/cm2, the bar is
Options- A. in the elastic range
- B. in the plastic range
- C. at yield point
- D. none of these. Discuss
Correct Answer: in the elastic range
- 3. A simply supported beam carrying a central load, will be safe in deflection if the ratio of its span to depth, is
Options- A. < 19
- B. < 24
- C. > 19
- D. > 24
- E. > 37 Discuss
Correct Answer: < 24
- 4. If the slenderness ratio is greater than 160, the allowable stress in axial compression is multiplied by a factor (1.2 - (l/xy) where x is
Options- A. 200
- B. 400
- C. 600
- D. 800
- E. 1000 Discuss
Correct Answer: 800
- 5. 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
Options- A. the section
- B. the section plus area of rivet holes
- C. the section minus area of rivet holes
- D. tthe section multiplied by the area of the rivet hole. Discuss
Correct Answer: the section minus area of rivet holes
- 6. A major beam in a building structure, is known as
Options- A. a girder
- B. a floor beam
- C. a main beam
- D. all the above. Discuss
Correct Answer: all the above.
- 7. The moment of the couple set up in a section of a beam by the logitudinal compressive and tensile force, is known as
Options- A. bending moment
- B. moment of resistance
- C. flexural stress moment
- D. none of these. Discuss
Correct Answer: moment of resistance
- 8. The bending moment for filler joists at the middle of at intermediate span, is
Options- A.
- B.
- C.
- D.
- E.
Discuss
Correct Answer:
- 9. The effective length of a compression member of length L, held in position and restrained in direction at both ends, is
Options- A. L
- B. 0.67 L
- C. 0.85 L
- D. 1.5 L
- E. 2 L Discuss
Correct Answer: 0.67 L
- 10. The rivets which are heated and then driven in the field, are known
Options- A. power driven shop rivets
- B. power driven field rivets
- C. hand driven rivets
- D. cold driven rivets
- E. field rivets. Discuss
Correct Answer: power driven field rivets
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