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Mini quiz · Lesson 03
Airflow, Static Pressure & Duct Design
Question 01 / 06
Total External Static Pressure (TESP) is measured:
Question 02 / 06
Typical residential furnace max TESP is:
Question 03 / 06
A 4-ton system needs roughly:
Question 04 / 06
Crushed flex duct that's 50% compressed loses:
Question 05 / 06
A 1" MERV-13 filter in a 4-ton system often adds:
Question 06 / 06
CASE: Customer's 3-ton system 'doesn't cool the upstairs bedroom.' You measure TESP 1.1" w.c. (max 0.5"). Filter is a 1" MERV-13. Attic flex duct to that bedroom is crushed under a stored box, sharp 90° bend, 30 ft long. Refrigerant charge is correct. Best fix?
0 / 6 answered