Equipment Operation & Maintenance Flashcards
7 cards from real SHS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Equipment Operation & Maintenance flashcards as text
A safety and health specialist discovers that maintenance workers routinely bypass machine guards to speed up production. What is the most appropriate corrective action?
Answer: Immediately halt operations on the machine and enforce guard requirements
Bypassed machine guards create immediate amputation and crush hazards; operations must stop until guards are properly reinstalled and enforced.
Which condition requires a crane to be immediately removed from service according to ASME B30 standards?
Answer: A cracked hook without a safety latch
A cracked hook is a critical structural defect that can lead to catastrophic load drop; ASME B30 standards require immediate removal from service.
What is the primary purpose of a machinery guarding program under 29 CFR 1910.212?
Answer: To prevent contact between workers and hazardous machine parts
29 CFR 1910.212 requires machine guards to protect workers from contact with points of operation, in-running nip points, rotating parts, and flying chips or sparks.
During a routine inspection, a safety specialist finds that a portable ladder has a cracked side rail. What action should be taken?
Answer: Tag the ladder out of service and remove it from the worksite
A cracked side rail compromises the ladder's structural integrity; it must be tagged out of service and removed immediately to prevent falls.
Which factor is most critical when selecting the proper lubricant for a piece of equipment?
Answer: Manufacturer specifications for viscosity, grade, and compatibility
Manufacturer specifications define the correct viscosity, grade, and chemical compatibility needed to protect bearings and components from premature wear or failure.
A worker performing maintenance on a conveyor system restores power without verifying that all co-workers are clear. This violates which LOTO principle?
Answer: Release from lockout/tagout
The release step requires verifying that all tools are removed, all workers are clear, and guards are replaced before restoring energy.
What is 'predictive maintenance' primarily based on?
Answer: Real-time condition monitoring data such as vibration or temperature
Predictive maintenance uses real-time monitoring data — vibration analysis, thermography, oil analysis — to detect deterioration before failure occurs.