# Civil Engineering - Steel Structure Design

### Exercise :: Steel Structure Design - Section 3

21.

Lug angle is

 A. used with single angle member B. not used with double angle member C. used with channel member D. all the above.

Explanation:

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22.

Effective length of a column effectively held in position and restrained in direction at both ends, is

 A. L B. 0.67 L C. 0.85 L D. 1.5 L E. 2 L

Explanation:

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23.

A riveted joint many experience

 A. tearing failure of plates B. bearing failure of plates C. splitting failure of plates at the edges D. bearing failure of rivets E. all the above.

Explanation:

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24.

If a pair of angles placed back to back in tension are connected by one leg of each angle, the net effective area of the section, is

 A. B. C. D. E. none of these.

Explanation:

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25.

IS : 800 - 1971 recommends that in a splice plate the number of rivets carrying calculated shear stress through a packing greater than 6 mm thick, is to be increased by 2.5% for every

 A. 1.00 mm thickness of packing B. 1.50 mm thickness of packing C. 2.0 mm thickness of packing D. 2.50 mm thickness of packing E. 3.0 mm thickness of packing.