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 web crippling due to excessive bearing stress can be avoided by_________________?
(A) increasing the web thickness
(B) providing suitable stiffeners
(C) increasing the length of the bearing plates
(D) none of the above
Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds___________________?
(A) 501
(B) 851
(C) 200 t
(D) 2501
Minimum spacing of vertical stiffeners is limited to________________?
(A) d/4
(B) d/3
(C) d/2
(D) 2d/3
The forces acting on the web splice of a plate girder are__________________?
(A) axial forces
(B) shear and axial forces
(C) shear and bending forces
(D) axial and bending forces
The maximum spacing of vertical stiffeners is_________________?
(A) 1.33 d
(B) 1.25 d
(C) 1.5 d
(D) 1.75 d
The maximum permissible span of asbestos cement sheets is______________________?
(A) 650 mm
(B) 810 mm
(C) 1250 mm
(D) 1680 mm
The minimum thickness of plates in a steel stack should be___________________?
(A) 4 mm
(B) 5 mm
(C) 6 mm
(D) 8 mm
To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be_______________?
(A) 1
(B) 2
(C) 3
(D) 4
Which one of the following parameters is considered to determine the reflectance of a vegetation canopy ?
(A) Solar zenith angle
(B) Azimuth angle
(C) Look angle
(D) All of these