Drilling MCQs

1. What is the primary purpose of a drilling operation?

• A) To create a hole
• B) To smooth a surface
• C) To cut a piece of metal
• D) To join two materials

A) To create a hole

2. Which type of drill bit is used for drilling hard metals?

• A) High-speed steel (HSS) bit
• B) Carbon steel bit
• C) Cobalt steel bit
• D) Diamond-coated bit

C) Cobalt steel bit

3. What is the function of a center drill?

• A) To drill large diameter holes
• B) To create a pilot hole
• C) To finish the hole
• D) To drill at high speeds

B) To create a pilot hole

4. What is the typical angle of a standard twist drill bit point?

• A) 90 degrees
• B) 118 degrees
• C) 135 degrees
• D) 150 degrees

B) 118 degrees

5. What is the purpose of the flutes on a drill bit?

• A) To reduce friction
• B) To guide the drill
• C) To remove chips from the hole
• D) To increase the strength of the bit

C) To remove chips from the hole

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