Steel Structure Design problems
- 1. The ratio of hydrostatic stress to the volumetric strain within the elastic range, is called
Options- A. modulus of elasticity
- B. shear modulus of elasticity
- C. bulk modulus of elasticity
- D. tangent modulus of elasticity
- E. all the above. Discuss
Correct Answer: all the above.
- 2. In a built up section carrying a tensile force, the flanges of two channels are turned outward
Options- A. to simplify the transverse connections
- B. to minimise lacing
- C. to have greater lateral rigidity
- D. all the above
- E. none of the above. Discuss
Correct Answer: to have greater lateral rigidity
- 3. Effective length of a column effectively held in position at both ends and restrained in direction at one end, is
Options- A. L
- B. 0.67 L
- C. 0.85 L
- D. 1.5 L
- E. 2 L Discuss
Correct Answer: 0.85 L
- 4. Cold driven rivets range from
Options- A. 6 to 10 mm in diameter
- B. 10 to 16 mm in diameter
- C. 12 to 22 mm in diameter
- D. 22 to 32 mm in diameter
- E. none of these. Discuss
Correct Answer: 12 to 22 mm in diameter
- 5. The greatest gauge of long rivets should not exceed (where d is the diameter of the holes).
Options- A. 2 d
- B. 4 d
- C. 6 d
- D. 8 d
- E. 10 d Discuss
Correct Answer: 8 d
- 6. Design of a riveted joint, is based on the assumption:
Options- A. Load is uniformly distributed among all the rivets
- B. Shear stress on a rivet is uniformly distributed over its gross area
- C. Bearing stress is uniform between the contact surfaces of the plate and the rivet
- D. Bearing stress in the rivet is neglected
- E. All the above. Discuss
Correct Answer: All the above.
- 7. When the depth of a plate girder is at least n times the depth of vertical leg of the flange angles, the girder is known as deep plate girder, if n is
Options- A. 2
- B. 4
- C. 6
- D. 8
- E. 10 Discuss
Correct Answer: 8
- 8. Pick up the correct statement from the following:
Options- 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. Discuss
Correct Answer: All the above.
- 9. If the area of cross-section of a single angle discontinuous strut is 30 cm2 and allowable working stress corresponding to its slenderness ratio is 625 kg/cm2, the safe load carrying capacity of the member, is
Options- A. 10 tonnes
- B. 12 tonnes
- C. 15 tonnes
- D. 18 tonnes
- E. 20 tonnes Discuss
Correct Answer: 15 tonnes
- 10. 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
Options- A.
- B.
- C.
- D.
- E.
Discuss
Correct Answer:
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