DOT Hazardous Materials Transportation 2

Question 1

Under 49 CFR, which document must accompany a shipment of hazardous materials at all times during transport?

Accepted Answer

Bill of lading with hazmat shipping paper

Answer

Hazmat shipping papers (e.g., bill of lading) must accompany all hazardous materials shipments and be accessible to the driver at all times per 49 CFR 172.600.

Question 2

What is the minimum distance a placard must be visible from when placed on a transport vehicle?

Accepted Answer

100 feet

Answer

DOT regulations require hazmat placards to be legible and visible from at least 100 feet under normal daylight conditions.

Question 3

A package of radioactive material bears a 'Radioactive II' label. What does the Roman numeral indicate?

Accepted Answer

The transport index category

Answer

The Roman numeral on radioactive labels (I, II, or III) denotes the transport index category, which reflects the radiation level at the package surface.

Question 4

Which of the following is classified as a Division 1.1 explosive?

Accepted Answer

Black powder

Answer

Black powder is classified as a Division 1.1 (mass explosion hazard) explosive under 49 CFR 173.

Question 5

During a DOT inspection, a cargo tank is found without a required MC specification plate. What is the correct action?

Accepted Answer

Place the vehicle out of service immediately

Answer

A cargo tank missing its required specification plate is non-compliant and must be placed out of service until the violation is corrected.

DOT Inspector Certification Practice Test

DOT Inspector Certification Practice Test

DOT Hazardous Materials Transportation 2