Loading & TransportCâu 26 / 80
What must you do with the engine before loading or unloading most hazardous materials?
a.Rev it to keep it warm
b.Turn off the engine unless it is needed to operate a pump
c.Leave it idling at all times
d.Disconnect the battery
Giải thích
You should turn off the engine before loading or unloading hazardous materials unless the engine is needed to run a pump for a cargo tank. A running engine is an ignition source and safety risk. Set the parking brake and chock the wheels while working.
Luyện miễn phí toàn bộ 80 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Why should you never smoke while loading or unloading hazardous materials?
- When loading hazardous materials, how should containers be secured?
- What tool must never be used near packages of Class 1 explosives?
- What does the term 'do not load together' refer to in hazmat transport?
- How far from the cargo must certain materials like cyanides be kept from acids?
- What must you check before loading a package of hazardous material?
Cập nhật gần nhất: · quy trình kiểm tra
Đội Ngũ Biên Tập PrepPass · Đối chiếu với CDL Hazardous Materials (H) Endorsement Knowledge Test · Quy trình kiểm tra