Cutting Tools Quiz

What is the term for a cutting tool's ability to retain hardness at high temperatures?

• Abrasion resistance

• Red hardness

• Toughness

• Brittleness

Which property of cutting-tool material helps resist wear due to abrasion?

• Flexibility

• Red hardness

• Abrasion resistance

• Toughness

What angle prevents the cutting tool from rubbing against the workpiece?

• Secondary clearance angle

• Clearance angle

• Rake angle

• Primary clearance angle

What is the recommended minimum clearance angle for most cutting tools?

• 10°

• 15°

• 8°

• 5°

What type of rake angle is typically used for most cutting purposes?

• Positive rake

• Zero rake

• Acute rake

• Negative rake

What is the primary function of the guard on an off-hand grinder?

• To contain wheel parts in case of bursting

• To enhance cutting speed

• To improve grinding precision

• To support the workpiece

Which type of wheel is necessary for grinding cemented carbides?

• Aluminum oxide wheel

• Green-grit silicon-carbide wheel

• Diamond wheel

• Coarse grit wheel

What should be done to avoid overheating the cutting tool during grinding?

• Grind continuously

• Grind off large amounts

• Grind off small amounts and cool frequently

• Use a high-speed grinder

What is the purpose of dressing abrasive wheels?

• To increase wheel diameter

• To expose new sharp cutting grains

• To reduce wheel weight

• To change the wheel material

What should be done before adjusting the work rest on a grinding machine?

• Increase the wheel speed

• Start the machine

• Ensure the wheel is stationary

• Remove the guard