18. this structural shape is called a\na l channel or angle bracket\nb flat plate\nc i beam\nd c channel
18. this structural shape is called a\na l channel or angle bracket\nb flat plate\nc i beam\nd c channel
Answer
Brief Explanations:
The shape shown has a cross - section in the form of a 'C'. A C - channel has this type of cross - sectional shape. An L - channel/angle bracket has an 'L' shape, a flat plate is flat and not channel - like, and an I - beam has an 'I' cross - section.
Answer:
D. C channel