Portable Disc Grinder Safety

What PPE should be worn when operating the portable disc grinder?

• Safety glasses

• Safety glasses and hearing protection

• Safety glasses, hearing protection and gloves

• Safety glasses, hearing protection, gloves and face shield.

When operating the portable disc grinder, the grinding disc should be positioned to the sparks and grit are thrown....

• away from the operator

• away from the operator and others in the work area

• up to avoid hitting others.

Grinding with the portable disc grinder should not occur in an area which .....

• has windows that face the classroom

• has large stacks of metal nearby

• has flammable materials or combustible gases

The grinding disc should be replaced when worn to _______ of its original diameter.

• 1/4

• 1/2

• 3/4

Hands and forearms should be protected by wearing _____ when using the portable disc grinder.

• gloves

• long sleeved shirt

• long sleeved shirt and gloves

What can the operator expect to happen when the wire brush attachment is used on the portable disc grinder?

• The wire brush will cause it to jump or be thrown about.

• The wire brush will make an uncomfortable humming sound.

• Nothing different will happen.

How should the portable disc grinder be positioned when it is laid down?

• With the disc facing down

• On its left side

• On the tool rest

• Opposite of the handle

When using the angle grinder, be sure to never have your face _______________

• Too close to the wheel

• Inline with the wheel

• Both of these answers are correct.

Why do you only need to finger tighten the locking nut snuggly when replacing a worn disc?

• Both of these are correct answers

• The lock nut could be difficult to remove later

• The natural rotation of the disc causes the lock nut to tighten.

Always use the guard when grinding or cutting

• True

• False