Question

If there is a cargo fire in a box trailer:

Answers

The trailer doors should be opened.

The trailer doors should not be opened.

A large, heavy blanket should be put over the trailer.

Explanation

The doors of a trailer should be not be opened in the event of a cargo fire, especially if the cargo includes hazardous materials. Opening trailer doors would increase the fire's oxygen supply, potentially causing the fire to increase in size.

This questions appears in the following tests:

Arizona Class A Knowledge Test

Arkansas Passenger

California Passenger

Delaware Class B Knowledge Test

Hawaii Passenger

Idaho Double

Kentucky Class B Knowledge Test

Louisiana Class A Knowledge Test

Louisiana Double

New Hampshire Class B Knowledge Test

North Carolina Class A Knowledge Test

North Carolina Class B Knowledge Test

Ohio Class A Knowledge Test

Ohio Class B Knowledge Test

Oklahoma Class B Knowledge Test

Oregon Double

Rhode Island Class A Knowledge Test

Rhode Island Passenger

Tennessee Tank

Wisconsin Double

Wisconsin Tank