Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between____________________?
(A) 10° to 30°
(B) 30° to 40°
(C) 40° to 70°
(D) 90°
The use of tie plates in laced columns is_________________?
(A) prohibited
(B) not prohibited
(C) permitted at start and end of lacing system only
(D) permitted between two parts of the lacing
The best arrangement to provide unified behaviour in built up steel columns is by______________?
(A) lacing
(B) battening
(C) tie plates
(D) perforated cover plates
A circular column section is generally not used in actual practice because________________?
(A) it is uneconomical
(B) it cannot carry the load safely
(C) it is difficult to connect beams to the round sections
(D) all of the above
For a standard 45° fillet, the ratio of size of fillet to throat thickness is_______________?
(A) 1:1
(B) 1 : V2
(C) V2 : 1
(D) 2: 1
Area of openings for buildings of large permeability is more than_________________?
(A) 10% of wall area
(B) 20% of wall area
(C) 30% of wall area
(D) 50% of wall area
The risk coefficient k, depends on__________________?
(A) mean probable design life of structures
(B) basic wind speed
(C) both (A) and (B)
(D) none of the above
The relation between intensity of wind pressure p and velocity of wind V is taken as_______________?
(A) pa V
(B) paV2
(C) p a (1/V)
(D) paV”2
Generally the purlins are placed at the panel points so as to avoid__________________?
(A) axial force in rafter
(B) shear force in rafter
(C) deflection of rafter
(D) bending moment in rafter
Normally, the angle of roof truss with asbestos sheets should not be less than_______________?
(A) 26’/2°
(B) 30°
(C) 35°
(D) 40°