UNIT 3 : Types and operations- Hole making: Drilling, reaming,

Which of the following hole making operations is typically used to make an existing hole more accurate?

• A) Drilling
• B) Reaming
• C) Boring
• D) Tapping

Which of the following statements is true about tapping?

• A) It is used to create threads in an existing hole.
• B) It is used to make an existing hole more accurate.
• C) It is used to create a conical hole.
• D) It is used to create a square hole.

Which of the following hole making operations is most suitable for creating a square hole in a workpiece?

• A) Drilling
• B) Reaming
• C) Boring
• D) Tapping

Which of the following hole making operations is typically used to create a conical hole?

• A) Drilling
• B) Reaming
• C) Boring
• D) Tapping

Which of the following statements is true about drilling?

• A) It is used to create threads in an existing hole.
• B) It is used to make an existing hole more accurate.
• C) It is used to create a conical hole.
• D) It is used to create a round hole.

Which of the following hole making operations is most suitable for creating a smooth surface finish inside a hole?

• A) Drilling
• B) Reaming
• C) Boring
• D) Tapping

Which of the following hole making operations is most suitable for enlarging an existing hole by a small amount?

• A) Drilling
• B) Reaming
• C) Boring
• D) Tapping

Which of the following hole making operations could be used to create a hole with both a tapered section and a cylindrical section?

• A) Drilling
• B) Reaming
• C) Boring
• D) Tapping

Which of the following hole making operations is most suitable for creating a hole with a very tight tolerance on its diameter?

• A) Drilling
• B) Reaming
• C) Boring
• D) Tapping