In a gusseted base, when the end of the column is machined for complete bearing on the base plate, then the axial load is assumed to be transferred to base plate__________________?
(A) fully by direct bearing
(B) fully through fastenings
(C) 50% by direct bearing and 50% through fastenings
(D) 75% by direct bearing and 25% through fastenings
Which of the following types of riveted joint is free from bending stresses ?
(A) lap joint
(B) butt joint with single cover plate
(C) butt joint with double cover plates
(D) none of the above
If the thickness of plate to be connected by a rivet is 16 mm, then suitable size of rivet as per Unwin’s formula will be__________________?
(A) 16 mm
(B) 20 mm
(C) 24 mm
(D) 27 mm
The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is__________________?
(A) 1.0 mm
(B) 1.5 mm
(C) 2.0 mm
(D) 2.5 mm
The actual thickness of butt weld as compared to the thickness of plate is usually________________?
(A) more
(B) less
(C) equal
(D) none of the above
According to IS Specifications, the effective length of a column effectively held in position at both ends and restrained in direction at one end is taken as________________?
(A) 0.67 L
(B) 0.8 L
(C) L
(D) 1.5 L
The maximum slenderness ratio of a compression member carrying both dead and superimposed load is___________________?
(A) 180
(B) 200
(C) 250
(D) 350
According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is_______________?
(A) 1.0
(B) 1.4
(C) 1.8
(D) 2.0
The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is________________?
(A) 150
(B) 180
(C) 250
(D) 350