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Duct Leakage Test Quiz

Authored by CHOO KHEAN CHANG

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Duct Leakage Test Quiz
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20 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Why is duct leakage a concern in HVAC systems?

a) It can increase energy costs

b) It can improve indoor air quality

c) It can decrease heating efficiency

d) Both a and c

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What does a high duct leakage rate indicate?

a) Efficient HVAC system

b) Poorly insulated ducts

c) Significant air loss

d) Both b and c

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What is the unit of measurement for duct leakage?

a) Liters per second (L/s)

b) Cubic feet per minute (CFM)

c) Gallons per minute (GPM)

d) Cubic meters per hour (m³/h)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In duct leakage testing, what does the term "total leakage" refer to?

a) Leakage to the outside

b) Leakage inside the house

c) Combined leakage to the outside and inside

d) None of the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the "duct leakage to outdoors" measurement?

a) It helps to estimate total system efficiency

b) It indicates the level of air leakage within the building

c) It measures leakage that contributes to outdoor pollution

d) It is not a significant measurement

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does "CFM25" represent in duct leakage testing?

a) Airflow measured at 25°C

b) Leakage at 25 cubic feet per meter

c) Leakage at 25 pascals

d) Leakage at 25 pounds per square inch

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can duct leakage affect indoor air quality?

a) It can introduce contaminants

b) It can reduce humidity

c) It can increase ventilation

d) It has no effect

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