Steel Structure Design Questions

• Factor of safety is the ratio of
• When the length of a tension member is too long
• Bulb angles are used in
• IS : 800 - 1971 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 2.5% for every
• Effective sectional area of a compression member is :
• A single angle in tension is connected by one leg only. If the areas of connecting and outstanding legs are respectively a and b, net effective area of the angle, is
• With a percentage increase of carbon in steel, decreases its
• The central deflection of a simply supported steel beam of length L with a concentrated load W at the centre, is
• According to the Unwin's formula, if t is thickness of the plate in mm, the nominal diameter of the rivet, 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
• If L is the overall length of a combined footing having A as its area, d being the distance between the centre of gravity of the base and centre of the base, the larger width b is
• If W and L are the total superimposed load and the span of a plate girder in metres, the approximate self weight (W) of the girder, is taken as
• In case horizontal stiffeners are not used, the distance between vertical legs of flange angles at the top and bottom of a plate girder, is known as
• A fillet weld whose axis is parallel to the direction of the applied load, is known as
• Effective length of a column effectively held in position and restrained in direction at both ends, is
• A riveted joint may experience
• Perforated cover plates are particularly suitable for built up sections consisting of
• The allowable stress in axial tension is generally kept less if thickness of the member is more than
• Effective length of a column effectively held in position and restrained in direction at one end but neither held in position nor restrained in direction at the other end, is
• The ratio of the span L of the filler joists to the depth d from the under side of the joist to the top of the structural concrete, should not exceed