# Civil Engineering - Steel Structure Design

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

16.

When the length of a tension member is too long

 A. a wire rope is used B. a rod is used C. a bar is used D. a single angle is used.

Explanation:

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17.

An imaginary line along which rivets are placed, is known as

 A. rivet line B. scrieve line C. back line D. gauge line E. all the above.

Explanation:

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18.

The allowable stress in axial tension is generally kept less if thickness of the member is more than

 A. 10 mm B. 12 mm C. 15 mm D. 20 mm E. 22 mm

Explanation:

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19.

The maximum permissible slenderness ratio of compression member carrying dead and superimposed load, is

 A. 180 B. 200 C. 250 D. 300 E. 350

Explanation:

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20.

The safe working pressure for a spherical vessel 1.5 m diameter and having 1.5 cm thick wall not to exceed tensile stress 50kg/cm2 , is

 A. 16 kg/cm2 B. 18 kg/cm2 C. 20 kg/cm2 D. 22 kg/cm2