Safety & CodesCâu 104 / 110
Why is a carbon monoxide alarm recommended or required in dwellings with fuel-burning appliances?
a.To detect refrigerant leaks
b.To measure humidity
c.To warn occupants of dangerous CO levels before they become life-threatening
d.To sense high head pressure
Giải thích
CO alarms detect rising carbon monoxide and warn occupants because the gas is otherwise undetectable by human senses. California law requires CO alarms in most dwellings with fuel-burning appliances or attached garages. They are a critical last line of defense against CO poisoning.
Luyện miễn phí toàn bộ 110 câu hỏi — không cần đăng ký.
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