Load & DesignCâu 12 / 110
Under the California Mechanical Code, when is a permit generally required for HVAC work?
a.Only for commercial buildings
b.Only when replacing a thermostat
c.When installing, altering, or replacing mechanical equipment such as a furnace or air conditioner
d.Never for residential work
Giải thích
The CMC and local jurisdictions require a mechanical permit for installing, altering, or replacing regulated equipment like furnaces, air conditioners, and ductwork. Permits trigger inspection to verify code-compliant, safe installation. Minor maintenance such as filter changes does not require a permit.
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
- Oversizing a residential air conditioner most commonly leads to which problem?
- Which factor increases a building's cooling load the most on a hot afternoon?
- In California, plans for new HVAC systems typically must demonstrate compliance with which energy standard?
- What is the primary purpose of a Manual J block load versus a room-by-room load?
- If a home has a calculated cooling load of 30,000 BTU/hr, what nominal equipment size is the closest match?
- Friction rate in duct design is typically expressed in which units?
Cập nhật gần nhất: · quy trình kiểm tra
Đội Ngũ Biên Tập PrepPass · Đối chiếu với California CSLB C-20 Warm-Air HVAC Trade Exam · Quy trình kiểm tra