HAZMAT OPERATIONS 2026 TEST PAPER QUESTIONS AND ANSWERS GUARANTEE A+

HAZMAT OPERATIONS 2026 TEST PAPER QUESTIONS AND
ANSWERS GUARANTEE A+
✔✔On a placard, the number at the bottom of the diamond indicates the:
A. UN hazard class.
B. guide number from the DOT Emergency Response Guidebook to be used.
C. UN product identification number.
D. relative risk. - ✔✔A

✔✔The DOT placarding system requires a vehicle carrying over 1001 pounds of
corrosive to display a _____ placard.
A. yellow
B. white-over-black
C. white
D. black and yellow - ✔✔B

✔✔A type of gas that can be extremely toxic and is considered by the DOT to be a
hazardous material is a/an:
A. poison gas.
B. pressurized gas.
C. inorganic gas.
D. inert gas. - ✔✔A

✔✔Liquid or solid substances that emit toxic, dangerous, and irritating fumes are known
as:
A. poisonous materials.
B. pyrophoric materials.
C. etiological agents.
D. cryogenic materials. - ✔✔A

✔✔Which of the following hazard classes is represented by the placard drawing below?
*red and white stripes with flames on top, class 4*
A. Explosives
B. Nonflammable gases
C. Flammable solids
D. Oxidizers - ✔✔C

✔✔17. The hazard class that is represented by the placard illustration below is:
*yellow with "1.6" at top, class 1*
A. explosives.
B. nonflammable gases.
C. flammable solids.
D. oxidizers. - ✔✔A

,✔✔The hazard class represented by the placard illustration below is:
*blue with flame at top, class 4*
A. dangerous when wet.
B. combustibles.
C. health hazard.
D. oxidizers. - ✔✔A

✔✔The hazard class represented by the placard illustration below is:
*yellow top half w/ black circle and three black things around it, white bottom half, class
7*
A. radioactives.
B. poison gases.
C. flammable liquids.
D. corrosives. - ✔✔A

✔✔The placard drawing below represents which of the following hazard classes?
*white on top w/hand and solid having liquid poured on them, black on bottom*
A. Poisons
B. Oxidizer
C. Flammable gases
D. Corrosives - ✔✔D

✔✔In the NFPA 704 system of identification, the diamond-shaped placard used for fire
hazard is always colored:
A. blue.
B. yellow.
C. red.
D. white. - ✔✔C

✔✔In the NFPA 704 system, the quadrant dealing with reactivity is colored:
A. blue.
B. yellow.
C. red.
D. white. - ✔✔B

✔✔A hazard class of 3, within the UN labeling system indicates a product.
A. flammable gas
B. flammable solid
C. flammable / combustible liquid
D. poisonous liquid - ✔✔C

✔✔A substance that readily yields oxygen to support combustion of fuels,would be
labeled hazard Class _____ under the UN/DOT labeling system.
A.3

, B.5
C. 7
D.9 - ✔✔B

✔✔Within the UN/DOT system, a container labeled hazard Class 4 contains a:
A. combustible liquid.
B. flammable gas.
C. flammable solid.
D. flammable liquid. - ✔✔C

✔✔Of the references listed below, the most specific source of information on a
hazardous material is/are:
A. the DOT Emergency Response Guidebook.
B. the Material Safety Data Sheet (MSDS).
C. DOT placards.
D. the NFPA 704 system. - ✔✔B

✔✔The background color of a placard that would signify a poisonous substance hazard,
and that contains a skull and crossbones is:
A. yellow.
B. orange.
C. red.
D. white. - ✔✔D

✔✔Referring to the U.S. military marking system for hazardous materials, an octagon-
shaped placard with a #1 on it denotes a:
A. moderate fire hazard.
B. chemical fire hazard.
C. mass detonation.
D. mass escape. - ✔✔C

✔✔An explosive with a fragment hazard is denoted by the U.S. military marking system
as a:
A.#3 in an X.
B.#4 in an X.
C. #2 in an X.
D. #4 in a circle. - ✔✔C

✔✔When referring to the U.S. military marking system, if a circle with a symbol of a
person wearing a mask is seen, it is necessary to assume that:
A. a protective mask or breathing apparatus must be used.
B. fumigants are being used.
C. turn-out clothing must be used.
D. hazardous material is of an odorous nature. - ✔✔A