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.Management Sciences
Category: Design of Steel Structures
Hudson’s formula gives the dead weight of a truss bridge as a function of_________________?
A. bottom chord area
B. top chord area
C. effective span of bridge
D. heaviest axle load of engine
Gantry girders are designed to resist_________________?
A. lateral loads
B. longitudinal loads and vertical loads
C. lateral, longitudinal and vertical loads
D. lateral and longitudinal loads
The mechanism method of plastic analysis satisfies___________________?
A. equilibrium and mechanism conditions
B. equilibrium and plastic moment conditions
C. mechanism and plastic moment conditions
D. equilibrium condition only
Shear buckling of web in a plate girder is prevented by using________________?
A. vertical intermediate stiffener
B. horizontal stiffener at neutral axis
C. bearing stiffener
D. none of the above
The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as_______________?
A. 0.65 kN/m2
B. 0.75 kN/m2
C. 1.35 kN/m2
D. 1.50 kN/m2
The effect of racking forces is considered in the design of_________________?
i) lateral braces
ii) chord members
The correct answer is
A. only (i)
B. only (ii)
C. both (i) and (ii)
D. none of the above
Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds___________________?
A. 501
B. 851
C. 200 t
D. 2501
where t is thickness of web
If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as_________________?
A. 0
B. 0.5
C. between 0.5 and 1.0
D. 1.0
When the axis of load lies in the plane of rivet group, then the rivets are subjected to________________?
A. only shear stresses
B. only tensile stresses
C. both (A) and (B)
D. none of the above
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