Bench Grinder Safety

A good grinding wheel will have a _________ sound when it is “sounded”.

• High pitched

• Dull

• Low Pitched

• Ringing

A fractured grinding wheel will have a _________ sound when it is “sounded”.

• High Pitched

• Dull

• Low Pitched

• Ringing

Grinding should be done only on the __________.

• left side of the grinding wheel

• right side of the grinding wheel

• upper one-half of the grinding wheel

• lower one-half of the grinding wheel

A grinder tool rest should never be more than _____ inch from the grinding wheel.

• 3/8

• 1/4

• 3/16

• 1/8

When grinding, the operator should not stand ____________.

• in direct line with the grinding wheel

• to the left side of the grinder

• to the right side of the grinder

• near the center line of the grinder

Grinding wheels which vibrate excessively do so because ____________.

• they are out of round

• the arbor shaft of the grinder is bent

• both a and b

• neither a nor b

The protective equipment item(s) which should be used when truing a grinding wheel is/are _________.

• safety glasses

• Gloves

• dust mask

• all of the above

• a and c above

If excessive pressure is applied to the grinding wheel, it is likely to cause ________.

• a bent arbor

• a distorted piece of metal

• an overheated piece of metal

• a chipped grinding wheel

If the arbor revolutions per minute (RPM's) of a given grinder is 3400, which grinding wheel would be safe for use on this particular grinder?

• 1700 RPM grinding wheel

• 2400 RPM grinding wheel

• 2800 RPM grinding wheel

• 4600 RPM grinding wheel

When ready to use a grinder, the operator should ________.

• stand off to the side

• make sure the tool rest is properly adjusted

• inspect the wheel

• all the above

• none of the above