High School

A device on a power drill that enables a user to back out a drill bit that is stuck in the work material is called a(n):

A. chuck key
B. reversing switch
C. whip check
D. auger switch

A hammer drill has an adjustable ring that can be turned to adjust the:

A. voltage reaching the drill motor
B. depth of the hole being drilled
C. magnetic force applied to the base
D. number of drill blows per minute

Answer :

Final answer:

The reversing switch on a power drill allows users to back out stuck drill bits. A hammer drill's adjustable ring modifies the number of blows per minute, improving performance on harder materials.


Explanation:

Understanding Power Drill Components

A device on a power drill that enables a user to back out a drill bit that is stuck in the work material is called a reversing switch (option b). This component allows the motor to run in reverse, which is essential for removing jammed drill bits without damaging the drill or the material being worked on.

Additionally, a hammer drill has an adjustable ring that can be turned to adjust the number of drill blows per minute (option d). This feature enhances the drill's effectiveness when working with hard materials, as it can provide more hammering actions with each rotation, allowing for easier penetration.


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