# Civil Engineering - Steel Structure Design

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

41.

To the calculated area of cover plates of a built-up beam, an allowance for rivet holes to be added, is

 A. 10% B. 13% C. 15% D. 18% E. 20%.

Answer: Option B

Explanation:

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42.

The connection of one beam to another beam by means of an angle at the bottom and an angle at the top, is known as

 A. unstiffened seated connection B. stiffened seated connection C. seated connection D. none of these.

Answer: Option C

Explanation:

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43.

Allowable working stress corresponding to the slenderness ratio of double angles placed back to back and connected to one side of a gusset plate, is reduced to

 A. 50% B. 60% C. 70% D. 80% E. 40%

Answer: Option D

Explanation:

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44.

Bulb angles are used in

 A. column building B. bridge building C. ship building D. water tank building.

Answer: Option C

Explanation:

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45.

Effective sectional area of a compression member is :

 A. gross sectional area - area of rivet hole B. gross sectional ares + area of rivet hole C. gross sectional ares x area of rivet hole D. gross sectional ares + area of rivet hole.

Answer: Option A

Explanation:

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