As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into_____________________?
A. 4 zones
B. 5 zones
C. 6 zones
D. 7 zones
Design of Steel Structures
Minimum pitch provided in riveted steel tanks is________________?
Minimum pitch provided in riveted steel tanks is________________?
A. 1.5 d
B. 2.0 d
C. 2.5 d
D. 3.0 d
where d is diameter of rivets
Steel tanks are mainly designed for_______________________?
Steel tanks are mainly designed for_______________________?
A. weight of tank
B. wind pressure
C. water pressure
D. earthquake forces
The capacity of the smallest pressed steel tank is__________________?
The capacity of the smallest pressed steel tank is__________________?
A. 1000 litre
B. 1650 litre
C. 1950 litre
D. 2450 litre
The diameter of base of conical flare of a steel stack is_____________________?
The diameter of base of conical flare of a steel stack is_____________________?
A. less than d
B. equal to d
C. more than d
D. any of the above
where d is the diameter of the cylindrical part
If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as_________________?
If the loaded length of span in meters of a railway steel bridge carrying a single track is 6 m, then impact factor is taken as_________________?
A. 0
B. 0.5
C. between 0.5 and 1.0
D. 1.0
The centrifugal force due to curvature of track is assumed to act on the bridge at a height of___________________?
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 portal bracing in a truss bridge is used to_____________________?
The portal bracing in a truss bridge is used to_____________________?
A. transfer load from top of end posts to bearings
B. keep the rectangular shape of the bridge cross-section
C. stiffen the structure laterally
D. prevent the sidesway buckling of top chord
compression force in two end posts The pin of a rocker bearing in a bridge is designed for_________________?
compression force in two end posts The 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
In case of timber structures, the form factor for solid circular cross-section is taken as_________________?
In case of timber structures, the form factor for solid circular cross-section is taken as_________________?
A. 1.18
B. 1.414
C. 1.67
D. 1.81