NFPA NFPA 704 Hazardous Materials Identification

Question 1

What shape is used for the NFPA 704 hazard identification system placard?

Accepted Answer

Square rotated 45 degrees (diamond)

Answer

NFPA 704 uses a square rotated 45 degrees, commonly called a 'fire diamond,' divided into four colored sections.

Question 2

How many sections does the NFPA 704 hazard diamond contain?

Accepted Answer

4

Answer

The NFPA 704 diamond contains exactly 4 sections: blue (health), red (flammability), yellow (instability), and white (special hazards).

Question 3

In the NFPA 704 system, which color section represents the health hazard?

Accepted Answer

Blue

Answer

The blue section, located on the left side of the diamond, represents the health hazard rating.

Question 4

In the NFPA 704 system, which color section represents flammability?

Accepted Answer

Red

Answer

The red section, located at the top of the diamond, represents the flammability hazard rating.

Question 5

In the NFPA 704 system, which color section represents instability or reactivity?

Accepted Answer

Yellow

Answer

The yellow section, located on the right side of the diamond, represents the instability/reactivity hazard rating.

NFPA - National Fire Protection Association Practice Test