# Civil Engineering - Steel Structure Design

### Exercise :: Steel Structure Design - Section 1

46.

For a column of height L fixed in position and direction both at its top and bottom, its effective length, is

 A. L B. L C. (1/2)*L D. 2L

Explanation:

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47.

In a tension member if b is width of plate, t is thickness of plate, p is staggered pitch, g is gauge distance, n is number of rivet holes in zig-zag line, n is number of gauge spaces, d is gross diameter of rivets, then the net sectional area Anet of the plate, is

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

Explanation:

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48.

Net sectional area of a tension member, is equal to its gross section area

 A. plus the area of the rivet holes B. divided by the area of rivet holes C. multiplied by the area of the rivet holes D. minus the area of the rivet holes E. none of these.

Explanation:

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49.

The distance measured along one rivet line from the centre of a rivet to the centre of adjoining rivet on an adjacent parallel rivet line, is called

 A. pitch of rivet B. gauge distance of rivet C. staggered pitch D. all the above E. none of these.

Explanation:

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50.

Tongue plates are provided in a steel girder at

 A. the upper flange B. the lower flange C. the upper end of the web D. the lower end of the web E. the upper and lower ends of the web.