Question 1
Why does building envelope leakage affect energy performance?
Show answer & explanation
Correct answer: A - It influences uncontrolled air movement between indoor and outdoor environments
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These 10 free CDET questions are organized by exam domain, so you can see how each part of the Certified Duct and Envelope Testing blueprint is tested. Reveal the answer and explanation under each question.
Why does building envelope leakage affect energy performance?
Correct answer: A - It influences uncontrolled air movement between indoor and outdoor environments
A technician performs a test to determine the amount of air escaping from the entire duct system, including leaks inside conditioned space. Which result is being measured?
Correct answer: A - Total duct leakage
Before accepting an unexpectedly high duct leakage result, the technician should first:
Correct answer: A - Verify the test setup and connections
A duct blaster is used primarily to evaluate:
Correct answer: A - Duct system airtightness
Leakage to outside testing focuses on:
Correct answer: A - Duct air escaping outside the conditioned space
Which tool is primarily used to measure whole-house envelope leakage?
Correct answer: B - Blower door
Air entering through gaps around windows and penetrations is primarily an example of:
Correct answer: A - Envelope leakage
A leakage report is most useful when it includes the measurement and:
Correct answer: A - The testing method and conditions used
Why must leakage results be expressed consistently?
Correct answer: A - To allow accurate comparison and interpretation
Which pairing is correct?
Correct answer: A - Blower door - whole-house envelope leakage
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