DESIGN OF STEEL STRUCTURE QUIZ

Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)

2.0 d

2.5 d

3.0 d

1.5 d

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

60%

30%

40%

50%

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When the bolts are subjected to reversal of stresses, the most suitable type of bolt is

turned and fitted bolt

high strength bolt

ordinary unfinished bolt

black bolt

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The maximum permissible span of asbestos cement sheets is

1250 mm

1680 mm

810 mm

650 mm

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Normally, the angle of roof truss with asbestos sheets should not be less than

35°

40°

30°

26/2°

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The number of seismic zones in which the country has been divided are

5

6

8

7

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Lug angles

increases shear lag.

are used to reduce the length of connection.

All listed here

are unequal angles.

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Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between

90°

40° to 70°

30° to 40°

10° to 30°

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By providing sufficient edge distance, which of the following failures of riveted joint can be avoided ?

shear failure of the rivet

crushing failure of the rivet

tension failure of the plate

shear failure of the plate

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Hudson’s formula gives the dead weight of a truss bridge as a function of

top chord area

bottom chord area

effective span of bridge

heaviest axle load of engine

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