120. Dispersion of load through the flange to web is considered as dispersed uniformly at an angle 0? is
A.100
B. 15?
C. 20?
D. 30?,
121. The minimum thickness of the web plate for a crane gantry plate girder with a lifting load exceeding 15 tonnes, is
A. 4 mm
B. 5 mm
C. 6 mm
D. 8 mm.
122. The greater clear dimension of web of thickness 't' should not exceed
A. 180 t
B. 200 t
C. 240 t
D. 270 t
123. The gap between web plates and flange plates fro fillet welds should not be more than
A. 0.5 mm
B. 0.75 mm
C. 1 0 mm
D. 1.5 mm.
124. Pick up the correct statement for the web stiffeners.
A. vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d
B. d is the distance between flange angles or the clear distance between flanges
C. for horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange
D. all the above.
125. The outstand of stiffeners should be where t is the thickness of flat.
A. 6 t
B. 8 t
C. 10 t
D. 12 t
126. The spans of filler joists supporting a slab may be considered approximately equal if the longest span does not exceed the shortest span more than
A.5%
B.10%
C.15%
D. 20%.
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