Grinding Machine Quiz

What is the primary purpose of a grinding wheel?

• To heat materials

• To polish surfaces

• To cut materials

• To grind materials

Which material is NOT commonly used as an abrasive in grinding wheels?

• Copper

• Alumina

• Silicon carbide

• Diamond

What is the function of a safety guard in a grinding machine?

• To hold the workpiece

• To cool the grinding wheel

• To enhance cutting speed

• To protect the operator

What does the grit size of a grinding wheel determine?

• The roughness of the surface

• The speed of the machine

• The hardness of the wheel

• The type of material used

Which type of grinding machine is used for internal grinding?

• Tool and cutter grinder

• Surface grinding machine

• Cylindrical grinding machine

• Internal grinding machine

What is the purpose of dressing a grinding wheel?

• To increase the wheel's lifespan

• To clean the wheel

• To sharpen the wheel

• To change the grit size

What is the formula for cutting speed in grinding?

• V = πDN/1000

• V = D/N

• V = D*N

• V = πDN

What is the role of a workpiece holder in a grinding machine?

• To cool the grinding wheel

• To adjust the grit size

• To hold the workpiece securely

• To increase the speed of rotation

Which type of grinding is suitable for long components?

• Surface grinding

• Cylindrical grinding

• Centerless grinding

• Internal grinding

What is a common method to prevent overheating during grinding?

• Reducing the pressure

• Increasing the speed

• Applying lubrication

• Using a softer grit