College

The steel beam identification W8x15 represents a wide-flange beam:

A. 8" deep and weighing 15 pounds per linear foot
B. 8" deep and 15" wide
C. 8" wide and 15" deep
D. 8" deep and 15' long
E. None of the above is correct.

Answer :

The identification "W8x15" for a steel beam provides specific information about its dimensions and weight. Here's how you can understand what these numbers and letters mean:

1. W: This letter indicates that the beam is a wide-flange beam. Wide-flange beams are commonly used in construction and have a specific shape designed to support loads efficiently.

2. 8: This number represents the nominal depth of the beam in inches. In this case, the beam is approximately 8 inches deep.

3. 15: This number specifies the weight of the beam in pounds per linear foot. So, the beam weighs 15 pounds for every foot of its length.

Given this explanation:

- Option A is correct: the beam is 8 inches deep and weighs 15 pounds per linear foot.

Therefore, the correct answer to the question is option A.