Maintenance Protocols Flashcards

Under NFPA 80, how often must swinging fire door assemblies be inspected and tested?

Answer: Annually

NFPA 80 requires fire door assemblies to be inspected and tested at least annually, with written records kept.

What is the primary purpose of a CMMS in a building maintenance department?

Answer: Tracking assets, work orders, PM schedules, and maintenance history

A Computerized Maintenance Management System centralizes assets, work orders, PM scheduling, parts, and history.

Vibration analysis on a rooftop supply fan shows a rising 1x running-speed peak. What is the MOST likely cause?

Answer: Imbalance of the fan wheel

A high vibration peak at 1x running speed is the classic sign of rotor or fan wheel imbalance.

How often are reduced-pressure backflow preventers typically required to be tested by a certified tester in most US jurisdictions?

Answer: Annually

Most US water purveyors and plumbing codes require annual testing of backflow assemblies by a certified tester.

An asbestos Operations and Maintenance (O&M) program is primarily intended to:

Answer: Manage asbestos-containing materials in place safely and prevent fiber release

An O&M program manages intact ACM in place through surveillance, work practices, and training to minimize fiber release.

Which practice gives the MOST accurate data for improving PM task frequencies?

Answer: Analyzing failure history and condition data recorded in the CMMS

Adjusting PM frequencies from actual failure and condition history makes the program fit how the equipment really behaves.

What is the purpose of a root cause analysis (RCA) after a repeat chiller failure?

Answer: Finding the underlying reason so the failure does not recur

RCA traces a failure back to its underlying cause so corrective actions stop it from happening again.