OSHA 30- Hand and Power Tools
1. What type of switch is designed to cut off power to a machine when pressure is released?
A constant pressure switch.
2. What do machine guards protect workers from?
They protect against hazards at the point of operation, in-running nip points, and rotati...
1. What type of switch is designed to cut off power to a machine when pressure is released?
A constant pressure switch.
2. What do machine guards protect workers from?
They protect against hazards at the point of operation, in-running nip points, and rotating parts.
3. Why should you keep your fingers off the switch or buttons while using power tools?
To prevent accidentally starting the tool.
4. What protection is required at each nip point where a belting sanding machine runs onto a pulley?
Guards must be installed.
5. Is it true that the guard must be in place when using a handheld portable grinder with the hard wheel
in operation?
Yes, that is true.
, 6. Can you safely remove the third "grounding" prong from a male plug to fit it into a two-pronged
outlet?
No, that is false.
7. What must be installed when using pneumatic tools to prevent attachments from being ejected
during operation?
A safety clip.
8. For air hoses larger than 1/2 inch in diameter, what must be installed?
A safety excess flow valve.
9. What protective equipment should be worn when using jackhammers and chipping guns?
Foot protection, safety glasses, and tools with heavy rubber grips.
10. At what pressure must airless spray guns include an automatic or visible safety device to prevent
accidental trigger pulling?
More than 1000 pounds per square inch.
11. What are some hazards associated with pneumatic tools?
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