CHC MEP Systems in Healthcare Facilities 4

Question 1

Which ventilation requirement applies to a Type B (non-flammable) anesthetizing location per NFPA 99?

Accepted Answer

Minimum 15 air changes per hour with at least 3 outside air changes

Answer

NFPA 99 and ASHRAE 170 require Type B anesthetizing locations to have a minimum of 15 total air changes per hour, including at least 3 outside air changes.

Question 2

A healthcare facility's emergency generator fails to reach full load within the required time during a utility outage. Per NFPA 110, what is the maximum allowable time for the generator to assume full load for Type 10 equipment?

Accepted Answer

10 seconds

Answer

NFPA 110 Type 10 equipment must be capable of assuming full load within 10 seconds of a utility failure.

Question 3

During construction of a new hospital ICU, the contractor must maintain infection control. Which pressure relationship is required for the ICU relative to the corridor?

Accepted Answer

Positive pressure

Answer

ICUs require positive pressure relative to the corridor per ASHRAE 170 to protect immunocompromised patients from airborne contaminants.

Question 4

What is the minimum number of duplex receptacles required at each patient bed location in a general care (Category 1) patient care space per NFPA 99-2021?

Accepted Answer

4 duplex receptacles

Answer

NFPA 99-2021 requires a minimum of 4 duplex receptacles per patient bed location in Category 1 general care spaces.

Question 5

A hospital is installing a new medical gas pipeline system. At what pressure must the piped oxygen system typically be maintained at the source?

Accepted Answer

55 psig

Answer

Hospital piped oxygen systems are typically maintained at 55 psig at the source per NFPA 99 to ensure adequate delivery pressure at all use points.

(CHC) Certified Health Care Constructor Practice Test

(CHC) Certified Health Care Constructor Practice Test

CHC MEP Systems in Healthcare Facilities 4