MRS HEPA Filtration & Air Scrubbing 2

Question 1

What does the acronym HEPA stand for?

Accepted Answer

High Efficiency Particulate Air

Answer

HEPA stands for High Efficiency Particulate Air, a filtration standard defined by the US Department of Energy.

Question 2

When operating a negative air machine in a mold remediation containment, where should the exhaust be directed?

Accepted Answer

Outside the building or to an unaffected area

Answer

Exhaust from negative air machines must be directed outside the building or to an uncontaminated area to prevent cross-contamination.

Question 3

How many air changes per hour (ACH) is the minimum recommended for a mold remediation containment zone?

Accepted Answer

6–12 ACH

Answer

Industry guidelines recommend a minimum of 6–12 air changes per hour in remediation containment zones to maintain adequate negative pressure and particle control.

Question 4

A HEPA air scrubber pre-filter is primarily designed to:

Accepted Answer

Capture large particles to extend HEPA filter life

Answer

Pre-filters capture larger dust and debris particles before they reach the HEPA filter, prolonging its service life and maintaining efficiency.

Question 5

Which of the following best describes 'negative pressure' in a mold remediation containment?

Accepted Answer

Air pressure inside the containment is lower than outside

Answer

Negative pressure means air pressure inside the containment is lower than the surrounding area, causing air to flow inward and preventing mold spores from escaping.

(MRS) Mold Remediation Specialist Practice Test

(MRS) Mold Remediation Specialist Practice Test

MRS HEPA Filtration & Air Scrubbing 2