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.Management Sciences
Category: Design of Steel Structures
For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?
A. equal angles back to back
B. unqual legged angles with long legs back to back
C. unequal legged angles with short legs back to back
D. both (B) or (C)
The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of___________________?
A. 75 t2/h
B. 125 t3/h2
C. 125 t2/h
D. 175 t2/h
where, t = the web thickness in mm
h = the outstand of stiffener in mm
Lug angles_________________?
A. are used to reduce the length of connection.
B. are unequal angles.
C. increases shear lag.
D. all the above
In the virtual work method, the virtual quantity is_________________?
A. displacement
B. load
C. slope
D. moment
The allowable shear stress in the web of mild steel beams decreases with__________________?
A. decrease in h/t ratio
B. increase in h/t ratio
C. decrease in thickness
D. increase in height
where ‘h’ is height and t is thickness
A circular column section is generally not used in actual practice because________________?
A. it is uneconomical
B. it cannot carry the load safely
C. it is difficult to connect beams to the round sections
D. all of the above
As per IS : 800, for compression flange, the outstand of flange plates should not exceed________________?
A. 121
B. 161
C. 201
D. 251
where t = thickness of thinnest flange plate
The mechanism method and the statical method give__________________?
A. lower and upper bounds respectively on the strength of structure
B. upper and lower bounds respectively on the strength of structure
C. lower bound on the strength of structure
D. upper bound on the strength of structure
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