Structural Design Specifications - Engineering

Q1:

Pick up the incorrect statement from the following:

A The gross section of the web of rolled I-beams is the depth of the beam multiplied by the web thickness

B The gross section of the web of channels is the depth of the web multiplied by its thickness

C The gross section of the web of plate girders is the depth of the web plate multiplied by its thinkness

D None of these.

ANS:B - The gross section of the web of channels is the depth of the web multiplied by its thickness

How it is taken ?