Question 1

What types of contaminants are commonly found in hospitals?

Accepted Answer

Carbon monoxide, viruses, formaldehyde

Answer

Dust, sand, pollen

Answer

Chalk particles, ash, salt

Answer

Nitrogen gas, carbon dioxide, helium

Question 2

Which of the following is not part of the AstroPure 4-stage filtration system?

Accepted Answer

Water filter

Answer

HEPA filter

Answer

Primary filter

Answer

UVGI

Question 3

What feature does the AAF Connect app provide?

Accepted Answer

Remote monitoring and smart automation

Answer

Controls hospital lighting

Answer

Tracks surgical instruments

Answer

Increases air temperature

Question 4

What is the function of the perforated diffuser in the CRU-II module?

Accepted Answer

Supports laminar airflow to the operating table

Answer

Cools the ceiling

Answer

Enhances acoustic performance

Answer

Provides heating

Question 5

What is the typical size range of cooking emissions in kitchens

Accepted Answer

0.1 – 3 µm

Answer

20 – 50 µm

Answer

5 – 10 µm

Answer

10 – 100 µm

Question 6

What are the two major types of air contaminants?

Accepted Answer

Particles and gaseous contaminants

Answer

Dust and wind

Answer

Heat and noise

Answer

Smoke and steam

Question 7

Which of the following are types of gaseous contaminants?

Accepted Answer

VOCs, acid gases, and basic gases

Answer

Pollen and dust mites

Answer

Nitrogen and carbon dioxide

Answer

Water vapor and oxygen

Question 8

What are the common mechanisms for removing gaseous contaminants?

Accepted Answer

Physisorption, chemisorption, and chemical reaction

Answer

Sedimentation

Answer

Absorption and condensation

Answer

Oxidation and diffusion

Question 9

What is a possible health risk associated with exposure to gaseous air contaminants?

Accepted Answer

Increased likelihood of developing cancer

Answer

Dehydration

Answer

Sunburn

Answer

Muscle fatigue

Question 10

What is the purpose of using a Reactivity Monitoring Coupon (RMC)?

Accepted Answer

To measure corrosion severity level of the sites

Answer

To reduce VOC levels

Answer

To monitor temperature fluctuations

Answer

To track air velocity

Question 11

What year AAF Founded?

Accepted Answer

1921

Answer

1924

Answer

1925

Answer

1922

Question 12

Which of the following is NOT a common parameter used to measure Indoor Air Quality (IAQ)?

Accepted Answer

Nitrogen (N2) Concentration

Answer

Carbon Dioxide (CO2) Levels

Answer

Relative Humidity

Answer

Particulate Matter (PM2.5, PM10)

Question 13

What is the primary function of an air filter?

Accepted Answer

To remove airborne particles and contaminants from the air

Answer

To increase airflow

Answer

To reduce noise from HVAC systems

Answer

To add fragrance to the air

Question 14

Which standard is applicable to determine primary and secondary filters?

i. ASHRAE 52.2

ii. ASHRAE 62.1

iii. ISO 16890

iv. ISO 14644

Accepted Answer

i & iii

Answer

All the above

Answer

ii, iii & iv

Answer

i & ii

Question 15

What are the filter media available in AAF?

Accepted Answer

All the above

Answer

Synthetic polymer

Answer

Fibreglass

Answer

eFRM

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