Red Seal Industrial Mechanic (Millwright) Practice Exam

What is the benefit of using a torque multiplier?

1. To reduce the amount of weight used in fasteners.

2. To increase the speed of fastening without extra effort.

3. To apply a greater torque with less effort than a conventional wrench.

4. To enhance the durability of the nuts and bolts.

The correct answer is: To apply a greater torque with less effort than a conventional wrench.

Using a torque multiplier allows you to apply a greater torque with less effort than you would typically use with a conventional wrench. This tool operates on the principle of mechanical advantage, meaning that it amplifies the input torque applied to it. By using a torque multiplier, you can effectively tighten or loosen fasteners that require a high amount of torque while significantly reducing the physical effort needed from the operator. This is particularly beneficial in applications where high torque is necessary, such as in heavy machinery or automotive work, where fasteners are frequently subjected to high stresses. The ease of use not only improves efficiency but also minimizes the risk of user fatigue or injury when dealing with stubborn or oversized fasteners. While other choices might mention related concepts such as weight reduction or speed, they do not accurately capture the primary function and advantage of the torque multiplier, which is focused specifically on the ability to achieve greater torque application with minimal effort.