Maintenance & Repair Procedures Flashcards

Which NFPA standard governs the inspection, testing, and maintenance of water-based fire protection systems such as sprinklers?

Answer: NFPA 25

NFPA 25 covers ITM of sprinkler, standpipe, and fire pump systems, while NFPA 13 covers their installation.

Inspection, testing, and maintenance requirements for fire alarm systems are found in:

Answer: NFPA 72

NFPA 72, the National Fire Alarm and Signaling Code, sets fire alarm testing frequencies and maintenance.

How often do most U.S. jurisdictions require testable backflow prevention assemblies to be tested?

Answer: At least annually

Most water purveyors and plumbing codes require testable backflow assemblies to be tested by a certified tester at least once a year.

Which standard sets requirements for building water management programs to reduce Legionella risk?

Answer: ASHRAE 188

ASHRAE Standard 188 sets out risk management for Legionellosis in building water systems.

Before an electrician performs maintenance on energized switchgear, an arc flash risk assessment should follow:

Answer: NFPA 70E

NFPA 70E covers electrical safety in the workplace, including arc flash risk assessment and PPE selection.

Which predictive technique finds loose or overheated electrical connections in panels without contact?

Answer: Infrared thermography

Infrared thermography spots abnormal heat signatures caused by high-resistance connections.

An HVAC filter with a higher MERV rating generally means:

Answer: Higher particle capture efficiency and often higher pressure drop

Higher MERV ratings capture more fine particles but can increase resistance, so the fan capacity has to be checked.