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.Management Sciences
Category: Design of Steel Structures
The portal bracing in a truss bridge is used to_____________________?
A. transfer load from top of end posts to bearings
B. keep the rectangular shape of the bridge cross-section
C. stiffen the structure laterally
D. prevent the sidesway buckling of top chord
A butt weld is specified by__________________?
A. effective throat thickness
B. plate thickness
C. size of weld
D. penetration thickness
For a standard 45° fillet, the ratio of size of fillet to throat thickness is_______________?
A. 1:1
B. 1 : V2
C. V2 : 1
D. 2: 1
The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is__________________?
A. 1.0 mm
B. 1.5 mm
C. 2.0 mm
D. 2.5 mm
In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate__________________?
A. fully by direct bearing
B. fully through fastenings
C. 50% by direct bearing and 50% through fastenings
D. 75% by direct bearing and 25% through fastenings
Area of openings for buildings of large permeability is more than_________________?
A. 10% of wall area
B. 20% of wall area
C. 30% of wall area
D. 50% of wall area
Maximum pitch of rivets, used in steel stacks, is limited to_______________?
A. 6t
B. 101
C. 121
D. 161
where t is thickness of thinner plate being connected
Economical depth of a plate girder corresponds to_________________?
A. minimum weight
B. minimum depth
C. maximum weight
D. minimum thickness of web
According to IS Specifications, the maximum pitch of rivets in compression is_____________________?
A. lesser of 200 mm and 12 t
B. lesser of 200 mm and 161
C. lesser of 300 mm and 32 t
D. lesser of 3 00 mm and 24 t
where t is thickness of thinnest outside plate or angle
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