CMRT Maintenance Safety Procedures 2

Question 1

When performing a group lockout on a complex machine with multiple energy sources, which statement best describes the correct approach?

Accepted Answer

Each authorized employee applies their own personal lock to a hasp or lockout device

Answer

One authorized employee applies a single lock on behalf of the entire crew

Answer

The supervisor applies a master lock and distributes keys to all workers

Answer

A single tag is placed on the main disconnect and the crew verbally confirms awareness

Question 2

A confined space is classified as 'permit-required' under OSHA 29 CFR 1910.146 when it:

Accepted Answer

Contains or has the potential to contain a serious safety or health hazard

Answer

Has restricted entry or exit and is large enough for a worker to enter

Answer

Is not designed for continuous occupancy by employees

Answer

Requires a ladder for entry and has limited natural ventilation

Question 3

What is the primary purpose of a Job Hazard Analysis (JHA) before beginning maintenance work?

Accepted Answer

To identify and eliminate or control hazards associated with each step of the job

Answer

To document the time required to complete the task for scheduling purposes

Answer

To assign liability in the event of a workplace injury

Answer

To satisfy OSHA recordkeeping requirements before work begins

Question 4

During hot work (welding/cutting) near flammable materials, which action is the FIRST priority before igniting a torch?

Accepted Answer

Obtain a hot work permit and verify the area is clear of flammable materials within the required radius

Answer

Notify the fire department of the planned work

Answer

Ensure a fire watch is stationed with a charged extinguisher

Answer

Don welding PPE including face shield and leather gloves

Question 5

Which electrical safety standard governs safe work practices for electrical installations in general industry, including maintenance activities?

Accepted Answer

NFPA 70E — Standard for Electrical Safety in the Workplace

Answer

OSHA 29 CFR 1910.147 (LOTO standard)

Answer

ANSI Z10 — Occupational Health and Safety Management Systems

Answer

OSHA 29 CFR 1926.404 (construction wiring methods)

Question 6

A maintenance technician notices a yellow 'caution' tag on a piece of equipment. According to OSHA's Tagout-Only program rules, this means:

Accepted Answer

The equipment has a known deficiency but the tag alone does not provide the same protection as a lockout

Answer

The equipment is safe to operate under reduced load conditions

Answer

The equipment has passed inspection and is cleared for full operation

Answer

The equipment requires two-person operation until the tagged condition is corrected

Question 7

When using a hierarchy of controls to address a maintenance safety hazard, which control method provides the highest level of protection?

Accepted Answer

Elimination of the hazard at its source

Answer

Administrative controls such as written procedures and safety training

Answer

Personal protective equipment (PPE) selected for the specific hazard

Answer

Engineering controls such as guards and ventilation systems