Bending compressive and tensile stresses respectively are calculated based on |
A) Net area and gross area
B) Gross area and net area
C) Net area in both cases
D) Gross area in both cases
Horizontal stiffener in a plate girder is provided to safeguard against |
A) Shear buckling of web plate
B) Compression buckling of web plate
C) Yielding
D) All of the above
In rolled steel beams, shear force is mostly resisted by |
A) Web only
B) Flanges only
C) Web and flanges together
D) None of these
Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds |
A) 50 t
B) 85 t
C) 200 t
D) 250 t
Load factor is |
A) Always equal to factor of safety
B) Always less than factor of safety
C) Always greater than factor of safety
D) Sometimes greater than factor of safety
Length of an outstanding leg of a vertical stiffener, may be taken equal to |
A) 1/10th of clear depth of the girder plus 15 mm
B) 1/20th of clear depth of the girder plus 20 mm
C) 1/25th of clear depth of the girder plus 25 mm
D) 1/30th of clear depth of the girder plus 50 mm
Pitch of tacking rivets, when double angles connected back to back and acting as tension members should not be more than |
A) 500 mm
B) 600 mm
C) 1000 mm
D) 300 mm
Poisson’s ratio for steel within elastic limit, ranges from |
A) 0.15 to 0.20
B) 0.20 to 0.24
C) 0.25 to 0.33
D) 0.33 to 0.35
The beams supporting the steps of a stair are generally known as |
A) Headers
B) Trimmers
C) Stringers
D) Spandrel beams
The best arrangement to provide unified behaviour in built up steel columns is by |
A) Lacing
B) Battening
C) Tie plates
D) Perforated cover plates