Load & DesignCâu 7 / 110
What does ACCA Manual D provide guidance for?
a.Selecting the correct condenser
b.Sizing and designing residential duct systems
c.Calculating building heat loss
d.Selecting the proper thermostat
Giải thích
Manual D is the ACCA standard for residential duct design. It uses the available static pressure and required airflow to size trunks, branches, and fittings so each room receives its design CFM. Proper duct design prevents noise, high static pressure, and uneven comfort.
Luyện miễn phí toàn bộ 110 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- A 4-ton air-conditioning system is designed at 400 CFM per ton. What total supply airflow is required?
- The sensible heat formula uses which constant when air volume is in CFM and temperature difference is in degrees F?
- Using the sensible heat formula, how much sensible heat is removed when 1,200 CFM of air is cooled through a 20 degree F temperature drop?
- After a Manual J load is calculated, which ACCA procedure is used to select the specific equipment model?
- Oversizing a residential air conditioner most commonly leads to which problem?
- Which factor increases a building's cooling load the most on a hot afternoon?
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