Question

1. steel columns in basements:

options:

• could settle if there are no footings
• should not be installed in damp basements
• should only be installed midspan on a beam
• should be protected with a rust prevention paint
• should have an approved stamp visible

Explanation:

To determine the correct answer, we analyze each option:

• "Could settle if there are no footings": Steel columns need footings for support, but the key here is about steel column behavior in basements, and settlement without footings is a general structural point, not specific to basement steel columns' main concern (rust from dampness is more relevant).
• "Should not be installed in damp basements": Steel can be installed in damp basements if properly protected, so this is incorrect.
• "Should only be installed midspan on a beam": Steel columns' installation location isn't restricted to midspan; they can be at supports too, so this is wrong.
• "Should be protected with a rust prevention paint": Basements are often damp, and steel is prone to rust. Applying rust - prevention paint is a standard measure to protect steel columns from corrosion in damp basement environments.
• "Should have an approved stamp visible": While approval stamps are important, the primary concern for steel columns in basements (given the damp environment) is rust protection, not just the visibility of an approval stamp.

Answer:

D. Should be protected with a rust prevention paint