CHFM CHFM - Certified Healthcare Facility Manager Building Utility Systems 2

Question 1

In a healthcare facility, what is the primary function of a pressure-reducing valve (PRV) in a domestic water system?

Accepted Answer

To reduce incoming water pressure to a safe operating level for the building

Answer

To increase water flow rate to fixtures

Answer

To prevent backflow of contaminated water

Answer

To filter sediment from the water supply

Question 2

Which type of electrical distribution system provides the highest level of power reliability for critical healthcare loads?

Accepted Answer

Redundant feeders with automatic transfer switches

Answer

Single-feeder radial system

Answer

Loop distribution system

Answer

Spot network system without backup

Question 3

What is the purpose of a P-trap in a plumbing drain system?

Accepted Answer

To maintain a water seal that prevents sewer gases from entering the building

Answer

To regulate water pressure at each fixture

Answer

To filter solid waste before it enters the drain

Answer

To allow air into the drain system to prevent siphoning

Question 4

A healthcare facility's chilled water system uses a cooling tower. What is the primary water quality concern specific to cooling towers?

Accepted Answer

Legionella bacteria growth in warm, aerated water

Answer

Calcium buildup reducing pipe diameter

Answer

Iron corrosion in tower fill media

Answer

Chlorine off-gassing into mechanical spaces

Question 5

In electrical systems, what does a ground fault circuit interrupter (GFCI) protect against?

Accepted Answer

Electrical shock from small current leaks to ground

Answer

Overloads that exceed the circuit breaker rating

Answer

Voltage spikes from lightning strikes

Answer

Short circuits in heavy equipment

Question 6

What NFPA standard governs the installation and maintenance of emergency and standby power systems in healthcare facilities?

Accepted Answer

NFPA 110

Answer

NFPA 101

Answer

NFPA 72

Answer

NFPA 25