Installation第 31 / 110 题
What is the purpose of maintaining manufacturer-specified clearances to combustibles around a furnace?
a.To improve airflow measurement
b.To prevent overheating of nearby combustible materials and reduce fire risk
c.To lower the refrigerant charge
d.To allow duct expansion only
解析
Listed clearances to combustibles ensure the heat radiating from the furnace and vent does not ignite nearby wood, drywall paper, or stored materials. These clearances are set by the appliance listing and the CMC. Maintaining them and service access is required for safe operation.
法律依据: 2022 California Mechanical Code (CMC)免费刷完整 110 道题库 — 无需注册。
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