The permissible stress in bending for rolled steel I-beams and channels, is
The minimum edge distance of a rivet line connecting two or more plates, is kept equal tomm plus (where t is the thickness in mm of the thinner outside plate).
Column footing is provided
Secant formula for direct stress in compression, is applicable only for slenderness ratio upto
Pick up the correct statement from the following:
A second horizontal stiffener is always placed at the neutral axis of the girder if the thickness of the web is less than
Live load
Net sectional area of a tension member, is equal to its gross section area
In plastic analysis, the shape factor for circular sections, is
Web crippling generally occurs at the point where
The maximum permissible slenderness ratio of a member carrying loads resulting from wind, is
The ratio of longitudinal stress to strain within eiastic limit, is known as
The rolled steel I-sections are most commonly used as beams because these provide
The most economical section for a column, is
The distance measured along one rivet line from the centre of a rivet to the centre of adjoining rivet on an adjacent parallel rivet line, is called
Pick up the incorrect statement from the following:
The average shear stress for rolled steel beam section, is
If d is the distance between the flange angles, the vertical stiffeners in plate girders are spaced not greater than
The thickness t of a single flat lacing should not be less than
If the depth of two column sections are equal, then the column splice is provided
Tongue plates are provided in a steel girder at
The effective length of a compression member of length L held in position and restrained in direction at one end and effectively restrained in direction but not held in position at the other end, is
A beam is defined as a structural member subjected to
The moment of the couple set up in a section of a beam by the logitudinal compressive and tensile force, is known as
The allowable stress in axial tension for rolled I-sections and channels, is taken as
For a rectangular section, the ratio of the maximum and average shear stresses, is
If the unsupported length of a stanchion is 4 metres and least radius of gyration of its cross-section isthe slenderness ratio of the stanchion, is
For the steel member exposed to weather and accessible for repainting, the thickness of steel should not be less than (excepting the webs of Indian Standard rolled steel joists and channels).
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