CDL · Hazardous materials
A qualified person must watch over a cargo tank while it is being loaded or unloaded. How far from the tank may that person be?
Correct answer: No more than 25 feet.
Answer options
- ANo more than 100 feet
- BNo more than 75 feet
- CNo more than 25 feet Correct
Why
The attendant has to stay alert, keep a clear view of the tank, and remain within 25 feet of it for the entire transfer, so that a leak or other emergency can be handled at once.
About this question
Topic: Hazardous materials License: CDL
Part of these practice sets:
Where it applies: Asked in every state.
Practice the whole set
This question is part of Loading and Unloading HazMat (32 questions). Take the full set and check your score.
Practice Loading and Unloading HazMatMore questions from Loading and Unloading HazMat
- For all the radioactive packages loaded on one vehicle, what is the highest combined transport index allowed?
- Which loading rule applies to nitric acid?
- No one may smoke within 25 feet of a truck hauling explosives, oxidizers, or flammable materials. When does this ban apply?
- What rule applies when you load or unload packages of explosives?
- Your cargo tank has just been loaded with a hazardous material. What must happen before you pull away?
- A trailer's cargo space is fitted with a heater or an air-conditioning unit. Which hazard classes may never be loaded into it?
- For which hazard class does a transport index printed on the packages limit how much may be carried on one vehicle?
- Is it permitted to transport nitric acid, a Class 8 material, together with other hazmat cargo on one vehicle?
Practice on your phone.
Practice here in your browser, or use the app with the same questions and explanations. It's free on the App Store.