OSHA 30 HR Module 12: Machine Guarding
Which one of these machines does NOT typically need safeguards installed to prevent cutting hazards? - Milling machines - Turning machines - Boring or drilling machines - Exhaust machines
Exhaust Machines
Machinery with rotating or reciprocating parts that are within seven feet of the floor or working platform requires what additional equipment? - Reinforce couplings - Shaft projections - Effective Guards - Balanced Pulleys
Effective Guards
July 31, Willard sustains a sever point-of-operation injury to his hand. By what date must his employer report that injury to OSHA or the state agency? - 15-Aug - 30-Aug - 15-Sep - 30-Sep
Must be reported within 30 days of occurrence - August 30
What is the key element of any safeguarding system? - Automation and passive safeguards - Regular inspections by OSHA - Specific and detailed training - Durable physical safeguards
Specific and detailed training
Point-of-operation safeguard requirements for mechanical power presses apply in all these situations EXCEPT: - When the point-of-operation opening is one inch or less - When the point-of-operation opening is 1/4 inch or less - When press operation is fully automatic - When press operation is in safe mode
When the point-of-operation opening is 1/4 inch or less
To prevent jamming, the distance between the work rest and grinder should not exceed______. - 1 inch - 1/2 inch - 1/4 inch - 1/8 inch
1/8 inch
Belt-Driven machinery whose runs of horizontal belts are seven feet or less from the floor or working surface must have guards that are ____ inches above the belts. - 15 - 10 - 5 - No guard needed
15
Machines that use abrasive wheels must have safety guards protecting all these parts EXCEPT: - Spindle end - Nut - Flange projections - Adjustable tongue
Adjustable Tongue
Installed physical safeguards must meet all these minimum requirements EXCEPT: - Prevent contact with dangerous moving parts - Ensure that no objects can fall into moving parts - Create no new hazards or interference - Allow automatic start-up after power failures
Allow automatic start-up after power failures
Installed mechanical safeguards are required around all these machine areas EXCEPT: - Trajectory zone - Point of operation - Energy Transmission Components - Moving Parts
Trajectory Zone
