Abrasive Wheels

Which should have the higher RPM (Revs-per-minute?)

• The abrasive Wheel

• The machine

• The user

• The spindle

Resin bonded wheels have an expiry period of how long?

• 1 year

• 2 years

• 3 years

• 4 years

Letter markings A on abrasive wheels would identify for use on

• Stone

• Metal

• Wood

• Plastic

2 Wheels on portable machines must be resin bonded the letters BF would

Identify them as?

• Not reinforced

• Reinforced

• Flexible

Wheels found to have slight damage should be

• Use it for a short period of time

• Pressed harder

• Replaced and destroyed

• Replaced and hung back up

Wheels/discs with red band indicate particles could leave wheel edge at

• 60 meters per second

• 70 meters per second

• 80 meters per second

• 90 meters per second

What legal information should be clearly visible on cutting/grinding machines

• RPM

• PPE

When transporting/storage of petrol disc cutter what would you do

• Remove the wheel/disk

• Store the wheel/disk safely

• Keep machine upright

• Take of the fuel cap

Angle grinders have a recommended working angle of

• 20º- 30º angle

• 30º- 40º angle

• 40º- 50º angle

• 50º -60º angle

New or re-applied wheels/disc to the machine must be run at full throttle for

• 20 seconds +

• 25 seconds +

• 30 seconds +

• 35 seconds +