InstallationCâu 40 / 110
Flexible duct connectors at the air handler are commonly used to accomplish what?
a.Increase static pressure
b.Filter the supply air
c.Reduce the transmission of vibration and noise into the duct system
d.Add refrigerant capacity
Giải thích
A flexible canvas or fabric connector between the unit and rigid ductwork isolates blower vibration and reduces noise transmitted into the structure. It also accommodates slight misalignment. It must be installed without restricting airflow.
Luyện miễn phí toàn bộ 110 câu hỏi — không cần đăng ký.
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