A truck's correctly displayed hazardous-material placards give an approaching responder what kind of information?
Correct answer: The general type of hazard associated with the cargo
Placards communicate cargo hazards to people outside the vehicle. They do not establish the quantity remaining or guarantee that a shipment is harmless.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-2, physical 105 > 9.1.2 Communicate the Risk; 9.3.3 Placards on physical 107 ↗
A shipping description assigns a material to a hazard class. What does that classification describe?
Correct answer: The kind of hazard associated with the material
A hazard class identifies the type of danger associated with a material. Package count and delivery order describe other aspects of a shipment.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-3, physical 106 > 9.3.1 Definitions > Hazard class ↗
A driver remembers a placarding rule from an old study sheet but is unsure whether it still applies to a planned shipment. What is the sound next step?
Correct answer: Check the current regulations for the actual shipment
The New Jersey manual itself warns that hazardous-material regulations change. Current applicable rules must guide the shipment rather than an unverified memory or an old example.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-1, physical 104 > Section 9 introduction > Need for up-to-date regulations ↗
A hazmat employee is being assigned a new regulated job function. What should function-specific training address?
Correct answer: Requirements applicable to the tasks the employee will perform
Function-specific training concerns the requirements for the employee's actual duties. General hazard recognition or possession of a driving credential does not by itself cover every specialized function.
Source: 49 CFR 172.704(a)(2)(i), Function-specific training; current eCFR displayed through 2026-09-10, reviewed 2026-09-13. NJ CDL Manual physical 104, printed 9-1, discusses additional job training. ↗
Which subject belongs in a hazmat employee's security-awareness training?
Correct answer: Recognizing and responding to possible security threats
Security-awareness training includes transportation security risks and recognizing and responding to possible threats. It does not erase hazard-communication duties or make every employer's security arrangements identical.
Source: 49 CFR 172.704(a)(4), Security awareness training; current eCFR displayed through 2026-09-10, reviewed 2026-09-13. NJ CDL Manual physical 104, printed 9-1. ↗
After a hazardous-material crash, the driver may be unable to explain the load. Why is rapid access to the shipping information important?
Correct answer: It helps responders identify the materials being carried
Shipping information can communicate the cargo hazards even when the driver cannot. Knowing the materials helps responders assess the incident and choose an appropriate response.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-3, physical 106 > 9.3.1 Definitions > Shipping papers and emergency access ↗
Before accepting a hazardous-material shipment, a driver notices that the package's marked shipping name disagrees with the shipping paper. What should happen?
Correct answer: Have the discrepancy resolved with the shipper and carrier
The manual directs drivers to compare shipping papers with package markings and labels and to obtain help when the material is unfamiliar. Conflicting descriptions need resolution, not a guess based on appearance.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-8, physical 111 > 9.3.7 Package Markings and Labels ↗
An emergency responder finds a UN or NA identification number in a hazardous-material shipping description. What does it help the responder identify?
Correct answer: The hazardous material or material entry
The material identification number supports identification and emergency-reference lookup. It is not a truck unit number or billing reference, and one entry can cover more than a single chemical.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-4, physical 107 > 9.3.3 Lists of Regulated Products > Identification numbers ↗
A package correctly carries both a primary and a subsidiary hazard label. What should the driver understand?
Correct answer: The material presents more than one relevant hazard
A subsidiary hazard label communicates an additional hazard of the material. Correct primary and subsidiary labels can apply together; the second label is not merely spare labeling.
Source: 49 CFR 172.402(a), Subsidiary hazard labels; current eCFR displayed through 2026-09-10, reviewed 2026-09-13. NJ CDL Manual physical 108, printed 9-5, Column 6. ↗
A required placard is properly attached, but a tarpaulin hangs over it. What needs correction before the vehicle travels?
Correct answer: The placard must be clear of the obstruction
Placard display rules require clearance from devices and attachments such as tarpaulins. Secure attachment alone does not make an obscured warning effective.
Source: 49 CFR 172.516(c)(2), Placards clear of appurtenances and devices; current text viewed 2026-09-13. NJ CDL Manual physical 112, printed 9-9. ↗
Besides identifying the product, which information belongs in the required emergency-response information for a hazardous material?
Correct answer: Immediate health hazards and fire or explosion risks
Emergency-response information addresses the material's hazards and immediate response needs. Delivery arrangements and charges do not supply the hazard information responders need.
Source: 49 CFR 172.602(a)(2)-(3), Information required; current eCFR displayed through 2026-09-10, reviewed 2026-09-13. NJ CDL Manual physical 110, printed 9-7. ↗
The emergency-response document in a vehicle describes a different product from the hazardous material being carried. What is the problem?
Correct answer: The response information must correspond to the actual cargo
Required emergency-response information concerns the hazardous material being transported, including its description and hazards. Information for another product can lead to an inappropriate response.
Source: 49 CFR 172.602(a)(1) and (b), Information for the hazardous material; current eCFR displayed through 2026-09-10, reviewed 2026-09-13. NJ CDL Manual physical 110, printed 9-7. ↗
