The maximum axial load which is just sufficient to keep a column in a small deflected shape, is called
Perforated cover plates are particularly suitable for built up sections consisting of
The main advantage of a steel member, is :
The distance between the outer faces of flanges of a plate girder, is known as
IS :-recommends that in a splice plate the number of rivets carrying calculated shear stress through a packing greater than 6 mm thick, is to be increased by 2.for every
Pick up the correct statement from the following:
According to the Unwin's formula, if t is thickness of the plate in cm, the nominal diameter of the rivet, is
If the area of cross-section of a single angle discontinuous strut iscm2 and allowable working stress corresponding to its slenderness ratio iskg/cm2, the safe load carrying capacity of the member, is
The main assumption of the method of simple design of steel frame work, is :
If M is the moment due to a couple in a bearing plate whose width is b and allowable bending stress is P, the thickness (t) of the bending plate of the column splice, is
In double lacing, the thickness t of flat lacing is
Design of a riveted joint, is based on the assumption:
The least permissible clear dimension of the web of thickness t in the panel of a plate girder, is restricted to
The strength of ISA=xmm used as a tie member with its longer leg connected at the ends bymm diameter rivets, is
When the ratio of the moment M to axial load P is greater than, the resultant of the compressive bearing pressure which acts at a distance Y from one side, is given by
If P is the allowable bending stress in a slab, whose greater and lesser projections from the column faces, are A and B, the thickness (t) of the slab base, is (where w is the intensity of earth pressure.)
When the depth of a plate girder is at least n times the depth of vertical leg of the flange angles, the girder is known as deep plate girder, if n is
In a grillage footing, the maximum shear force occurs at the
If the thickness of a structural member is small as compared to its length and width, it is classified as
In factory buildings, the horizontal beams spanning between the wall columns supporting a wall covering, are called
The effective length L of a simply supported beam with ends restrained against torsion, and also the ends of compression flange partially restrained against lateral bending, is given by
Diameter of a rivet hole is made larger than the diameter of the rivet by
Cold driven rivets range from
Modified moment of inertia of sections with a single web, is equal to moment of inertia of the section about Y-Y axis at the point of maximum bending moment and is multiplied by the ratio of
A beam may be designed as a cased beam if
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