Related Questions

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
The sleepers resting directly on girder are fastened to the top flange of girder by
A hook bolts
B dog spikes
C fang bolts
D rail screws
Minimum thickness of web in a plate girder, when the plate is accessible and also exposed to weather, is
A 5 mm
B 6 mm
C 8 mm
D 10 mm
In the plate loading test for determining the bearing capacity of soil, the size of square bearing plate should be
A less than 300 mm
B between 300 mm and 750 mm
C between 750 mm and 1 m
D greater than 1 m
The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing and R = Radius of bearing surface)
A $$\frac{1}{2}$$μWR
B $$\frac{2}{3}$$μWR
C $$\frac{3}{4}$$μWR
D μWR
When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus.
A 10 times
B 5 times
C 15 times
D 20 times
If p = bearing pressure on projected bearing area, Z = absolute viscosity of lubricant and N = speed of journal, then the bearing characteristic number is given by
A $$\frac{{{\text{ZN}}}}{{\text{p}}}$$
B $$\frac{{\text{p}}}{{{\text{ZN}}}}$$
C $$\frac{{\text{Z}}}{{{\text{pN}}}}$$
D $$\frac{{\text{N}}}{{{\text{Zp}}}}$$
The type of bearing plate used in all joints and on curves to give better bearing area to the rails is
A flat mild steel bearing plate
B mild steel canted bearing plate
C cast iron anti creep bearing plate
D none of the above
Rivets connecting flange angles to cover plates in a plate girder are subjected to
A Horizontal shear only
B Vertical load only
C Both (A) and (B)
D None of the above
Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds (where t is thickness of web)
A 50t
B 85t
C 200t
D 250t

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