Maintenance and Operations Flashcards
7 cards from real CHFM practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Maintenance and Operations flashcards as text
A facility manager notices vibration in a centrifugal pump. Which condition is MOST likely indicated by vibration occurring at twice the rotational frequency?
Answer: Misalignment
Vibration at 2x rotational frequency (2x RPM) is a classic signature of shaft misalignment in rotating equipment.
Which federal regulation governs the management of hazardous waste generated by healthcare facilities?
Answer: EPA RCRA (40 CFR Parts 260-270)
The EPA's Resource Conservation and Recovery Act (RCRA) governs the generation, storage, transportation, and disposal of hazardous waste.
What is the recommended humidity range for operating rooms according to ASHRAE 170?
Answer: 30–60% RH
ASHRAE 170 specifies a relative humidity range of 20–60% RH for operating rooms, with 30–60% being the most commonly referenced acceptable range.
A hospital's emergency generator fails to start automatically during a power outage. Under NFPA 110, what is the maximum allowed transfer time for the essential electrical system?
Answer: 10 seconds
NFPA 110 requires emergency generators to restore power to the essential electrical system within 10 seconds of a utility failure.
Which type of water system testing is required under the CMS Conditions of Participation for Legionella control?
Answer: Water management program with risk assessment and monitoring
CMS requires healthcare facilities to implement a water management program including risk assessment, control measures, and ongoing monitoring to prevent Legionella growth.
When performing a life safety code compliance assessment using a Statement of Conditions (SOC), a Plan for Improvement (PFI) is used to:
Answer: Request a time extension to correct identified deficiencies
A PFI is submitted to The Joint Commission to request additional time beyond standard deadlines to correct life safety code deficiencies.
In medical gas systems, what is the function of zone valve boxes (ZVBs)?
Answer: To allow isolation of gas supply to specific areas without shutting the entire system
Zone valve boxes allow staff to shut off medical gas supply to a specific zone or room for maintenance or emergencies without affecting the rest of the system.
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