Question

What do raised bumps on the head of the screw indicate?

1) The screw is stripped
2) The screw is designed for a specific type of screwdriver
3) The screw is made of a different material
4) The screw is damaged

Answer 1

Raised bumps on the head of a screw indicate that the screw is designed for a specific type of screwdriver.

Step-by-step explanation:

Raised bumps on the head of a screw typically indicate that the screw is designed for a specific type of screwdriver. These bumps, also known as screwdriver slots or screwdriver types, are used to match the tool needed to drive the screw into place or remove it. Some common types include flat-head, Phillips-head, and hex-head screws, each requiring a different type of screwdriver.

For example, a flat-head screw has a single slot that requires a flat-blade screwdriver, while a Phillips-head screw has a cross-shaped slot and requires a Phillips-head screwdriver. The raised bumps or slots on the screw head help ensure a secure fit and prevent slipping or stripping of the screw.

Therefore, the correct answer to your question is option 2: The screw is designed for a specific type of screwdriver.