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.Management Sciences
Category: Design of Steel Structures
compression force in two end posts The pin of a rocker bearing in a bridge is designed for_________________?
A. bearing and shear
B. bending and shear
C. bearing and bending
D. bearing, shear and bending
When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which________________?
A. is at the maximum distance from CG of the rivet group
B. is at the minimum distance from CG of the rivet group
C. gives the maximum angle between the two forces Fa and Fm
D. gives the minimum angle between the two forces Fa and Fm
where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet
The capacity of the smallest pressed steel tank is__________________?
A. 1000 litre
B. 1650 litre
C. 1950 litre
D. 2450 litre
For rivets in tension with counter-sunk heads, the tensile value shall be____________________?
A. reduced by 25 %
B. reduced by 33.3%
C. increased by 25 %
D. increased by 33.3 %
The maximum permissible span of asbestos cement sheets is______________________?
A. 650 mm
B. 810 mm
C. 1250 mm
D. 1680 mm
The centrifugal force due to curvature of track is assumed to act on the bridge at a height of___________________?
A. 1.23 m above the rail level
B. 1.50 m above the rail level
C. 1.83 m above the rail level
D. 2.13 m above the rail level
The moment of inertia of the pair of vertical stiffeners about the center line of the web should not be less than__________________?
A. 1.5dV/C
B. 1.5d¥/C
C. 1.5d¥/C2
D. 1.5dY/C3
where, ‘t’ is the minimum required thick-ness of the web and ‘C is the maximum permitted clear distance between vertical stiffener for thickness ‘t’
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 allowable tensile stress in structural mild steel plates for steel tank is assumed as________________?
A. 95.0 MPa on net area
B. 105.5 MPa on net area
C. 105.5 MPa on gross area
D. 150.0 MPa on gross area
Formation of snow occurs if the cloud temperature is________________?
A. Just above the freezing point
B. At the freezing point
C. Below the freezing point
D. None of these
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