Abrasive Wheels Quiz

Who is responsible for visually inspecting hand tools, such as abrasive wheels? *

The operator should visually inspect hand tools before each use.

The site supervisor should visually inspect hand tools before each use.

The user should visually inspect hand tools once a week.

The site supervisor should visually inspect hand tools once a week.

Should users of abrasive wheels be concerned with contracting vibration white finger? *

Only if they use it for more than three days a week.

Yes, as abrasive wheels cause vibrations.

No, as the vibrations are not very severe.

Only if the site supervisor says no.

Who is allowed to change a disk to an abrasive wheel? *

Anyone over the age of 18.

Only supervisors.

Trained and competent persons only.

Any site personal.

What pressure should be applied when using an abrasive wheel? *

Firm, steady pressure at all times.

Press hard until it gets to hot. Causing the disc to cut into the material.

The heavier you press the better.

The lighter you press the better.

How often should on site tools be PAT tested? *

Every three months.

Once a year.

Prior to use.

They don’t need checking.

If the abrasive wheel starts to judder when in use, what should you assume? *

Variations in the material being cut have caused the judder.

The tool is defective and should be removed from use until repaired.

You must have applied too much pressure. Just ease off a bit.

You must not have applied enough pressure. Just press harder.

If your supervisor asked you to use an abrasive wheel that you were not familiar with, what would you do? *

Have a go and assume it works like others you have used.

Ask one of your work mates how to use it.

Inform your supervisor that you need further training.

Ignore your supervisor and start a different job.

Discs are manufactured to cut different materials. Can these be interchanged? *

The stone discs can cut metal.

The metal disks can also cut stone.

Both types of disks can cut the other material but not effectively.

Metal disks cut metal and stone disks cut stone.

How should you use the guard on an abrasive wheel? *

You should only cover the blade when it is in storage.

You should cover the blade at all times when it is not in use and uncover it when it is in use.

The guard is only for trainees to use.

The guard should cover as much of the blade as in practically possible when in use.

When should guards be used on abrasive wheels? *

When the supervisor is about.

When showing trainees how to use the abrasive wheel.

Always when the wheel is in use.

When the abrasive wheel is put into storage so that the blade doesn’t get damaged.

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