InstallationCâu 25 / 110
Type B gas vent is designed to vent the products of combustion from which appliances?
a.Oil-fired only
b.Listed gas appliances with draft hoods or Category I equipment
c.Solid-fuel wood stoves
d.High-temperature incinerators
Giải thích
Type B vent is a double-wall metal vent listed for venting listed gas appliances that produce relatively low-temperature, non-condensing flue gases, such as Category I furnaces. It must not be used with appliances that produce condensing or high-temperature flue products. Proper vent selection is required by the CMC.
Trích dẫn luật: 2022 California Mechanical Code (CMC)Luyện miễn phí toàn bộ 110 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- What is the primary purpose of providing combustion air to a gas-fired furnace?
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- Why must condensate from a condensing furnace or cooling coil be routed to an approved drain?
- A secondary condensate drain pan or float switch is typically required when an air handler is installed where?
- When brazing refrigerant copper line sets, dry nitrogen is flowed through the tubing to accomplish what?
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