For the fillet weld of size ‘s’ shown in the adjoining figure, the effective throat thickness is

A double cover butt riveted joint is used to connect two flat plates of 200 mm width and 14 mm thickness as shown in the figure. There are twelve power driven rivets of 20 mm diameter at a pitch of 50 mm in both directions on either side of the plate. Two cover plates of 10 mm thickness are used. The capacity of the joint in tension considering bearing and shear ONLY, with permissible bearing and shear stresses as 300 MPa respectively is

Two plates, subjected to direct tension, each of 10 mm thickness and having widths of 100 mm and 175 mm, respectively are to be fillet welded with an overlap of 200 mm. Given that the permissible weld stress is 110 MPa and the permissible stress in steel is 150 MPa, then length of the weld required using the maximum permissible weld size as per IS: 800-1984 is

A steel flat of rectangular section of size 70 mm ^_x 6 mm is connected to a gusset plate by three bolts each having a shear capacity of 15 kN in holes having diameter 11.5 mm. If the allowable tensile stress in the flat is 150 MPa, the maximum tension that can be applied to the flat is

A bracket connection is made with four bolts of 10 mm diameter and supports a load of 10 kN at an eccentricity of 100 mm. The maximum force to be resisted by any bolt will be

The plastic collapse load W_p for the propped cantilever supporting two point loads as shown in the figure in terms of plastic moment capacity M_p, is given by

A continuous beam is loaded as shown in the figure below. Assuming a plastic moment capacity equal to M_P, the minimum load at which the beam would collapse is

Rivets and bolts subjected to both shear stress $\tau_{vf_{cal}}$ and axial tensile stress $\tau_{tf_{cal}}$shall be so proportioned that the stresses do not exceed the respective allowable stresses ^$\tau_{vf}$and $\sigma_{tf}$and the value of $\left( \dfrac{\tau_{vf_{cal}}}{\tau_{vf}} + \dfrac{\sigma_{vf_{cal}}}{\sigma_{vf}} \right)$does not exceed

The shape of the cross section which has the largest shape factor is

Rivet value is defined as

In a plate girder, the web plate is connected to the flange plates by fillet welding. The size of the fillet welds, is designed to safety resist

In the design of lacing system for a built-up steel column, the maximum allowable slenderness ratio of a lacing bar is

Which of the following elements of a pitched roof industrial steel building primarily resist lateral load parallel to the ridge?

The square root of the ratio of moment of inertia of the cross-section to its cross-sectional area is called

A 12 mm thick plate is connected to two 8 mm plates, on either side through a 16 mm diameter power driven field rivet as shown in the figure below. Assuming permissible shear stress as 90 MPa and permissible bearing stress as 270 MPa in the rivet, the rivet value of the joint is

Consider the following statements for a compression member. I. The elastic critical stress in compression increases with decrease in slenderness ratio. II. The effective length depends on the boundary conditions at its ends. III. The elastic critical stress in compression is independent of the slenderness ratio. IV. The ratio of the effective length to its radius of gyration is called as slenderness ratio. The TRUE statements are

In the theory of plastic bending of beams, the ratio of plastic moment to yield moment is called

The permissible stress in axial tension s_st in steel member on the net effective area of the section shall not exceed the following value (f_y is the yield stress)

When the triangular section of a beam as shown below becomes a plastic hinge, the compressive force acting on the section (with$\sigma_y$ denoting the yiield stress) becomes

In the design of welded tension members, consider the following statements : I. The entire cross-sectional area of the connected leg is assumed to contribute to the effective area in case of angles. II. Two angles back-to-back and tack-welded as per the codal requirements may be assumed to behave as a tee section. III. A check on slenderness ratio may be necessary in some cases.

The TRUE statements are

Consider the following statements I. Effective length of a battened column is usually increased to account for the additional load on battens due to the lateral expansion of columns. II. As per IS: 800-1984, permissible stress in bending compression depends on both Euler buckling stress and the yield stress of steel. III. As per IS: 800-1984, the effective length of a column effectively held in position at both ends but not restrained against rotation, is taken to be greater than that in the ideal end conditions.

The TRUE statements are