NFPA NFPA 704 Hazardous Materials Identification 3

Question 1

In NFPA 704, the symbol 'W' with a horizontal line through it (W̄) in the white section indicates:

Accepted Answer

The material reacts dangerously or unusually with water

Answer

The material is water-soluble and safe for aqueous dilution

Answer

Water is required for storage of the material

Answer

Water is the preferred extinguishing agent

Question 2

What does the symbol 'OX' or 'OXY' in the white section of an NFPA 704 diamond indicate?

Accepted Answer

The material is an oxidizer that can intensify fires

Answer

The material releases breathable oxygen

Answer

The material is highly toxic and corrosive

Answer

The material is radioactive

Question 3

What is the primary purpose of the NFPA 704 standard?

Accepted Answer

To provide emergency responders with immediate visual hazard identification

Answer

To regulate the transportation of hazardous materials on public roadways

Answer

To establish maximum allowable storage quantities for chemicals

Answer

To classify materials for international shipping documentation

Question 4

Where is the NFPA 704 placard most commonly and appropriately displayed?

Accepted Answer

On stationary containers, storage tanks, and building entrances where hazardous materials are stored or used

Answer

Only on vehicles transporting hazardous materials on highways

Answer

Exclusively inside chemical storage logs and safety data sheets

Answer

On personal protective equipment worn by chemical handlers

Question 5

What does the symbol 'SA' in the white section of an NFPA 704 diamond indicate?

Accepted Answer

Simple asphyxiant gas

Answer

Safety approved by OSHA

Answer

Severe allergen hazard

Answer

Surface-active corrosive

Question 6

If a material has an NFPA 704 rating of 3-4-2-OX, which single hazard category has the most severe numerical rating?

Accepted Answer

Flammability (4)

Answer

Health (3)

Answer

Instability (2)

Answer

Special hazard (OX)

Question 7

Who is primarily responsible for determining the correct NFPA 704 ratings for a hazardous material?

Accepted Answer

The manufacturer or supplier of the material

Answer

The local fire marshal who inspects the facility

Answer

The building owner or facility manager

Answer

The insurance underwriter for the property