CMRT Maintenance Safety Procedures 4

Question 1

A maintenance supervisor receives a near-miss report where a heavy part was nearly dropped on a worker below a mezzanine. The MOST important immediate corrective action is:

Accepted Answer

Establish a barricaded exclusion zone below elevated work areas and implement a tool tethering policy

Answer

Document the incident in the OSHA 300 log within 24 hours

Answer

Counsel the employee who nearly dropped the part on safe work practices

Answer

Schedule a general safety meeting for the following week to discuss dropped object hazards

Question 2

Under OSHA's Hazard Communication Standard (HazCom 2012 / GHS), a chemical container found in the maintenance shop without a label must be:

Accepted Answer

Immediately tagged 'unknown chemical' and treated as hazardous until identified or disposed of properly

Answer

Tested to identify its contents before any use or disposal

Answer

Discarded immediately regardless of the container's potential value

Answer

Used only by experienced technicians who can identify chemicals by appearance and odor

Question 3

Which of the following best describes the purpose of a machine guard interlocked with the power circuit?

Accepted Answer

To de-energize the machine automatically when the guard is opened or removed

Answer

To slow machine speed when the guard is opened, allowing safe access

Answer

To alert the operator audibly that the guard has been bypassed

Answer

To prevent accidental contact with moving parts only during startup sequences

Question 4

A maintenance technician is about to enter a permit-required confined space when the atmospheric monitor alarms for low oxygen (18%). The correct action is:

Accepted Answer

Ventilate the space continuously and re-test; do not enter until oxygen is between 19.5% and 23.5%

Answer

Enter with a buddy and limit exposure time to under 10 minutes

Answer

Don a dust mask and proceed since the level is only slightly below normal

Answer

Enter immediately to quickly determine and fix the source of oxygen displacement

Question 5

When a maintenance task requires use of a portable electric grinder, which safety check is critical before operation?

Accepted Answer

Performing a ring test on the abrasive wheel and verifying the wheel RPM rating exceeds the tool's maximum RPM

Answer

Confirming the grinder has a torque-limiting clutch installed

Answer

Confirming the wheel diameter matches the grinder's disc brake capacity

Answer

Lubricating the spindle bearing before mounting the wheel

Question 6

The OSHA recordkeeping standard (29 CFR 1904) requires an employer to record a work-related injury on the OSHA 300 log when it results in:

Accepted Answer

Days away from work, restricted work, job transfer, medical treatment beyond first aid, loss of consciousness, or diagnosis of a significant injury

Answer

Any visit to a first-aid station regardless of treatment given

Answer

Any prescription medication prescribed by a physician, even if taken off-site

Answer

Worker's compensation claim submission, regardless of injury severity

Question 7

Which practice best demonstrates effective use of the pre-task safety meeting (tailgate/toolbox talk) before maintenance work?

Accepted Answer

Reviewing specific hazards for that day's task, verifying permits and PPE, and confirming each worker's understanding

Answer

Reading aloud from a printed safety manual without pause for questions

Answer

Covering a different general safety topic each week unrelated to current work

Answer

Documenting attendance on a sign-in sheet to satisfy OSHA training requirements