Hazardous Materials Transport Practice Test 2026 – Comprehensive All-in-One Guide to HazMat Exam Success!

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Which statement is NOT true about hazard placards?

They are typically affixed on Bulk Packages.

They use the same designs, colors and symbols as hazard labels, except each side measures 273 mm.

They are never used on bulk packages.

Hazard placards are the large exterior signs used on hazmat shipments to communicate the hazard at a glance. They adopt the same designs, colors, and symbols as hazard labels, but are larger so they’re readable from a distance. The standard size is 273 mm on each side, which is why you’ll see a uniform, highly visible square on tanks, freight cars, or packaging that qualifies for placarding. Placards are placed on the outside of the transport unit carrying the hazardous material, and this includes the bulk packaging when that packaging constitutes the transport unit. They also display the Printing ID number (the UN number) so responders can identify exactly what substance is involved. Because of that, the statement that placards are never used on bulk packages is not true.

They display the Printing ID # on placards.