Firefighter Hazardous Materials Response 2

Question 1

What does the orange section of a NFPA 704 diamond placard represent?

Accepted Answer

Instability/reactivity

Answer

The orange (right) quadrant of the NFPA 704 diamond indicates instability or reactivity.

Question 2

A four-digit number on an orange panel of a transport vehicle identifies what?

Accepted Answer

The UN/NA material ID number

Answer

The four-digit number is the UN/NA identification number used to look up the material in the ERG.

Question 3

What is the primary purpose of establishing a decontamination corridor at a hazmat incident?

Accepted Answer

To prevent spread of contaminants from the hot zone

Answer

The decontamination corridor removes contaminants from personnel and equipment leaving the hot zone.

Question 4

Which control zone is the contaminated area requiring the highest level of PPE?

Accepted Answer

Hot zone

Answer

The hot zone is the area of immediate contamination requiring maximum protective equipment.

Question 5

What does a DOT placard with the number 3 and a flame symbol indicate?

Accepted Answer

Flammable liquid

Answer

Hazard Class 3 with a flame represents flammable liquids.

Firefighter Practice Test