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Hazardous Materials (Hazmat) Practice Question 47

H or XHazardous Materials (Hazmat) · Question 47

A 'Dangerous' placard may be used in place of separate placards for non-bulk shipments containing two or more categories requiring different placards from Table 2, except:

• ABulk shipments and certain combinations
• BCosmetics
• CSolid waste
• DPlastic packaging

Correct answer: A. Bulk shipments and certain combinations

Why: Dangerous placard may substitute for two or more Table 2 placards on non-bulk shipments, except not in bulk and not when 1,000 kg or more of one category is loaded at a single facility.

How this question fits the Hazmat test

Mishandled hazmat causes catastrophic public consequences. The endorsement is restricted, requires fingerprint background screening through the TSA, and demands deeper familiarity with regulatory paperwork than any other CDL endorsement.

Study technique for this topic

Master the Hazardous Materials Table columns, know the placarding thresholds, and learn which classes can never be loaded together. Practice locating UN/NA identification numbers and understanding the segregation chart.

Related Hazmat practice questions

• Q16. Class 2 hazardous materials are:
• Q29. A 'cargo tank' is:
• Q42. Hazmat tanker drivers must check tank closures (manhole covers, valves):
• Q56. When loading explosives, the cargo space must be:
• Q5. Some hazardous materials require placards in any quantity. These are listed in:

Continue your CDL preparation

The Hazardous Materials (Hazmat) portion of the CDL knowledge exam covers more than this single question. Use this site's full Hazardous Materials (Hazmat) bank to drill every topic, then test yourself with one of our state-specific practice sets to confirm you are ready for the actual DMV exam in your state. Always check your state's CDL handbook for any local addenda before the test day.

If you are still building your overall CDL foundation, start with the General Knowledge bank — every CDL applicant must pass it — and then work outward to the endorsements you plan to add.