OCFA Strategy And Tactics – Truck Operations Practice Test

What does the inspection hole identify?

Roof Decking Type Sheathing Type Rafter/Joist direction How Joists are hung onto members

Correct Answer:

Rafter/Joist direction

Explanation:

The main idea is that an inspection hole is used to see how the roof framing runs. When you peek through a small hole, you can observe the direction of the structural members above you—specifically the rafters or joists. Knowing which way the joists run helps you plan ventilation or roof operations so you cut in the right place and avoid misaligning with the framing. So, the inspection hole identifies the direction of rafters/joists. It does not reliably reveal roof decking type, sheathing type, or how joists are hung onto members, which would require other indicators or methods.

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