OSHA Machine Guarding Requirements 5

Question 1

A robotic cell uses a light curtain to stop motion when breached. This is best classified as which safeguarding category?

Accepted Answer

Presence-sensing device

Answer

A light curtain is a presence-sensing safeguarding device, not a physical barrier guard.

Question 2

Automatic or semi-automatic feeding methods reduce risk primarily by doing what?

Accepted Answer

Keeping the operator's hands out of the danger zone

Answer

Automated feeding keeps operators from placing hands in the point of operation.

Question 3

Which factor does NOT need to be considered when selecting a safeguarding method for a specific machine?

Accepted Answer

The paint color of the machine

Answer

Machine color is irrelevant to safeguarding selection; operation, stock size, and feeding method matter.

Question 4

A gate device (Type A or Type B) protects the operator by doing what during the machine cycle?

Accepted Answer

Enclosing the danger zone before the hazardous motion begins

Answer

Gate devices provide a movable barrier that encloses the danger area before the cycle starts.

Question 5

For point-of-operation guarding, who must the guard protect besides the machine operator?

Accepted Answer

Any employee in the machine area

Answer

Guards must protect the operator and other employees who may be in the machine area.

OSHA Safety Certificate Practice Test