Grinding Wheels: Safety and Selection

What is the primary purpose of a grinding wheel?

• To cut through metal

• To shape and finish materials

• To weld materials together

• To measure material thickness

Which of the following is a type of grinding wheel?

• Diamond wheel

• Sandpaper wheel

• Rubber wheel

• Plastic wheel

What is the recommended distance between the grinding wheel and the work rest?

• 1 inch

• 3 millimetres

• 1 foot

• 5 centimetres

Which safety equipment is essential when operating a grinding wheel?

• Earplugs

• Safety goggles

• Hard hat

• Steel-toed boots

How often should grinding wheels be inspected for damage?

• Once a year

• Every six months

• Before each use

• Every month

What is the main criterion for selecting a grinding wheel?

• Colour of the wheel

• Material to be ground

• Size of the wheel

• Brand of the wheel

What is the maximum safe operating speed of a grinding wheel typically measured in?

• Miles per hour

• Revolutions per minute

• Metres per second

• Feet per second

Which of the following is NOT a maintenance practice for grinding wheels?

• Balancing the wheel

• Dressing the wheel

• Painting the wheel

• Storing in a dry place

What should be done if a grinding wheel is found to have cracks?

• Continue using it

• Repair it with glue

• Discard it immediately

• Use it at a lower speed

Which factor is NOT considered when selecting a grinding wheel?

• Hardness of the material

• Speed of the machine

• Colour of the wheel

• Type of bond