CHC MEP Systems in Healthcare Facilities 3

Question 1

At what minimum temperature must domestic hot water be stored in healthcare facilities to prevent Legionella pneumophila growth per ASHRAE 188?

Accepted Answer

140°F (60°C)

Answer

110°F (43°C)

Answer

120°F (49°C)

Answer

130°F (54°C)

Question 2

Which standard governs the installation, testing, and verification of medical gas and vacuum systems in healthcare facilities?

Accepted Answer

NFPA 99

Answer

ASHRAE 170

Answer

FGI Guidelines

Answer

OSHA 29 CFR 1910.146

Question 3

What is the required minimum slope for horizontal drain piping in healthcare facilities per standard plumbing codes?

Accepted Answer

1/4 inch per foot

Answer

1/16 inch per foot

Answer

1/8 inch per foot

Answer

1/2 inch per foot

Question 4

Which medical gas is distributed at significantly higher pipeline pressure (approximately 160–185 psig) compared to oxygen and medical air (50–55 psig)?

Accepted Answer

Nitrogen

Answer

Nitrous oxide

Answer

Carbon dioxide

Answer

Helium

Question 5

What type of testing is required by NFPA 99 before a newly installed medical gas system can be placed into clinical service?

Accepted Answer

Level 1 performance verification testing by a Certified Medical Gas Verifier (CMGV)

Answer

Visual inspection only

Answer

Standard plumbing pressure test by the authority having jurisdiction

Answer

Manufacturer's startup checklist signed by the installing contractor

Question 6

What is the primary function of a Building Automation System (BAS) in a healthcare facility?

Accepted Answer

To monitor and control MEP systems, track alarms, and maintain required environmental conditions

Answer

To manage patient scheduling and electronic health records

Answer

To coordinate construction project scheduling and submittals

Answer

To manage visitor and staff access control

Question 7

During healthcare construction, what commissioning activity verifies that HVAC systems meet required airflow rates, static pressures, and temperature conditions before occupancy?

Accepted Answer

Testing, Adjusting, and Balancing (TAB)

Answer

Certificate of occupancy inspection by the authority having jurisdiction

Answer

Infection Control Risk Assessment (ICRA) walkthrough

Answer

Final punch list and substantial completion inspection