When using a hand held hacksaw the correct maximum rate of speed for cutting should be __________.

Correct Answer: Option B — 40 to 50 strokes per minute

Maintaining a rate of 40 to 50 strokes per minute prevents excessive heat buildup at the blade teeth. Overheating causes the blade to lose its temper and dull rapidly. Consistent, controlled pressure on the forward stroke is the standard professional practice for efficient, long-lasting metal cutting.