The minimum recommended rise of trusses with Galvanised Iron sheets is
(a) 1 in 12
(b) 1 in 6
(c) 1 in 10
(d) 1 in 18
This question was addressed to me during an interview.
The question is from Gantry Girders & Design of Industrial Buildings in chapter Gantry Girders, Design of Plate Girders & Industrial Buildings of Design of Steel Structures