Design of Steel Structure
The ratio of plastic section modulus to elastic section modulus

is always greater than 1
is always less than 1
is equal to 1
can be less than 1

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Design of Steel Structure
The bracing between two columns of a steel tank will be designed to resist

horizontal, shear due to wind or earthquake + 2.5% of column loads
horizontal shear due to wind or earthquake only
column loads + full horizontal shear due to wind or earthquake
column loads + 2.5% of horizontal shear due to wind or earthquake

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Design of Steel Structure
When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet.)

is at the minimum distance from CG of the rivet group
is at the maximum distance from CG of the rivet group
gives the minimum angle between the two forces Fa and Fm
gives the maximum angle between the two forces Fa and Fm

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