Intro to Millwright Practice Exam

Can a hacksaw be used effectively to cut during the push-and-pull stroke?

1. True

2. False

3. Only on the pull stroke

4. Only on the push stroke

The correct answer is: False

The effectiveness of a hacksaw is primarily based on how the tool is designed and how cutting actions should be performed. Hacksaws are specifically designed to cut during the pull stroke, meaning that the cutting action occurs when the blade is pulled back toward the user, allowing for a more controlled and efficient cut. During the push stroke, although a hacksaw can move forward, it does not effectively cut through materials because the design of the blade and the way the teeth are arranged primarily facilitate cutting in the opposite direction. When you push, there's a risk of the blade binding or not making consistent contact with the material, which can lead to breaks or poor cutting results. Thus, while the concept of using a hacksaw in both forward and backward motions might seem feasible, the practical and designed application confirms that the tool operates effectively only when the blade is pulled.