California ICC UST Inspector Practice Exam

What is the minimum thickness required for a striker plate made of steel?

1. 1/8 inch

2. ½ inch

3. ¼ inch

4. 2 inches larger than the opening it lies beneath

The correct answer is: 1/8 inch

The minimum thickness required for a striker plate made of steel is designed to ensure durability and effectiveness in its application. A thickness of 1/8 inch balances the need for strength and weight, making it suitable for most standard installations while also allowing for efficient mounting and operation. Striker plates are used in various settings, including securing gates and doors, and the 1/8 inch thickness is generally recognized in industry standards to provide sufficient resistance against wear and deformation that could occur with regular use. Other thickness options may exceed the necessary requirements for typical applications, potentially adding unnecessary weight or cost without providing additional benefits. For instance, a thickness of ½ inch or ¼ inch might be more appropriate for specific heavy-duty applications, but for standard uses, 1/8 inch is often sufficient. The option suggesting a thickness of 2 inches larger than the opening it lies beneath is not a measure of material thickness but rather relates to the overall size of the striker plate in relation to the structure, which is not relevant to the question regarding minimum material thickness.