DESIGN OF STEEL STRUCTURE QUIZ

The maximum slenderness ratio of a compression member carrying both dead and superimposed load is

180

190

150

200

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For a standard 45° fillet, the ratio of size of fillet to throat thickness is

1:1

2: 1

1 : V2

V2 : 1

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The portal bracing in a truss bridge is used to

Transfer load from top of end posts to bearings

Prevent the sides-way buckling of top chord

Stiffen the structure laterally

Keep the rectangular shape of the bridge cross-section

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If the floor is supported at or near the bottom but top chords of a bridge is not braced, then the bridge is called

Deck type

Half through type

Through type

Double deck type

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The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is

150

180

250

350

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Efficiency of a riveted joint, having the minimum pitch as per IS : 800, is

40%

60%

30%

50%

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In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be (where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel)

0.55 Awfy

0.85 Awfy

0.75 Awfy

0.65 Awfy

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The bracing provided in the plane of end posts is called

top lateral bracing

portal bracing

bottom lateral bracing

sway bracing

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Economical depth of a plate girder corresponds to

minimum depth

minimum weight

maximum weight

minimum thickness of web

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The ratio of plastic section modulus to elastic section modulus

can be less than 1

is equal to 1

is always less than 1

is always greater than 1

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