Safety & CodesPregunta 104 de 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
Explicación
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.
Practica las 110 preguntas gratis — sin registro.
Preguntas relacionadas de este tema
- The California Electrical Code (CEC) is the governing code for what portion of HVAC work?
- Under the California Plumbing Code, condensate waste from HVAC equipment is generally treated as what?
- Personal protective equipment (PPE) commonly required when brazing refrigerant lines includes what?
- Before working inside an energized electrical panel is unavoidable, a technician should do what to reduce shock risk?
- Adequate ventilation air in occupied buildings is important because it does what?
- A furnace's high-limit (temperature limit) switch protects the equipment by doing what?
Última revisión: · proceso editorial
Equipo Editorial de PrepPass · Verificado con California CSLB C-20 Warm-Air HVAC Trade Exam · Cómo revisamos