Firefighter Practice Exam

What kind of saw blade is recommended for cutting wood perpendicular to its grain?

1. Rip cut blade

2. Crosscut blade

3. Saber saw blade

4. Friction blade

The correct answer is: Crosscut blade

The recommended saw blade for cutting wood perpendicular to its grain is a crosscut blade. This type of blade is specifically designed for such cuts, as it features teeth that are shaped to slice through the wood fibers efficiently when making crosscuts. The geometry of a crosscut blade, typically having flat-topped or alternate beveled teeth, enables it to produce a cleaner cut with less splintering compared to other blade types when working across the wood grain. In practical applications, crosscut blades are often used for cutting boards, lumber, or finished wood pieces where a smooth surface on the cut is desirable. The focus on grain direction is critical in woodworking, as it can significantly affect the final appearance of the cut and the integrity of the piece being worked on. This makes the crosscut blade the most suitable choice for such cutting tasks.