CDL Test Practice Exams & CDL Training Materials
HAZMAT Endorsement CDL Practice Test Part C
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Taking the CDL test will be much easier after going through our practice CDL tests here online. This is part D of the
HAZMAT Endorsement portion of the CDL written practice exam. These questions are very similar to the ones you'll find on the actual CDL written test you'll be taking to get your CDL license. Follow along with the test questions below and read through the explanations that follow each CDL test question to get some better insights into the CDL exam and the trucking industry itself.
1. If the hazardous materials are classified as *FORBIDDEN* you should...
A Take special caution in transporting the material
B Remove the placards from the trailer
C Refuse the load
D Place the materials in the front of the trailer
⊞ Answer:
C Refuse the load
This I have never heard of. Well, I guess if it's forbidden, it must really be hazardous materials!
2. When transporting explosives you may not...
A Park within 5 feet of the traveled part of the road
B Within 300 feet of a tunnel
C Be near an open fire
D All of the above
⊞ Answer:
D All of the above
Remember, they love questions with numbers in them on the CDL test. When studying the CDL manual, pay close attention to any specific numbers they give you.
3. Who is responsible for certifying on the bills of lading that the hazardous materials are prepared properly?
A The driver
B The shipper
C The carrier
D The dock workers
⊞ Answer:
B The shipper
The shipper is responsible for the proper packaging, the proper paperwork, and supplying the proper placards for the load.
4. When transporting hazardous loads, you must check the tires at least...
A Every two hours or 100 miles
B Twice every day
C Every six hours
D Every 200 miles
⊞ Answer:
A Every two hours or 100 miles
This question will almost certainly be on your CDL test so remember it.
5. You must carry a gas mask with you when transporting...
A Flammable materials
B Chlorine
C Poison
D Liquid Gas
⊞ Answer:
B Chlorine
Fortunately I have never had to haul chlorine or carry a gas mask with me.
6. Containment rules are rules that...
A Instruct the driver in loading hazardous materials
B Instruct the driver in transporting hazardous materials
C Instruct the driver in unloading bulk tanks hauling hazardous materials
D All of the above
⊞ Answer:
D All of the above
Read up on containment rules and understand how they differ from the other hazardous material charts and books you must carry with you.
7. You must notify ____ of any spills exceeding the RQ.
A Customer
B State patrol
C DOT and EPA
D Federal Highway Administration
⊞ Answer:
C DOT and EPA
You will have the phone numbers for who to contact on the bills the shipper gives you and in the hazardous material guides you'll be carrying with you.
8. A safe haven is defined as...
A A designated place in your carrier's parking lot
B A government approved place for parking vehicles loaded with explosives
C Any place where someone is watching your tractor and trailer for you
D A shelter in the event of a explosion
⊞ Answer:
B A government approved place for parking vehicles loaded with explosives
This question will likely be on your test.
9. The product ID markings on a tank must be...
A Black 4" numbers on orange panels
B Orange 4" numbers on black panels
C Green 4" numbers on white panels
D White 4" numbers on orange panels
⊞ Answer:
A Black 4" numbers on orange panels
10. In order to transport hazardous materials which require placards...
A You must have a commercial drivers license
B You must pass a written test on hazardous materials
C You must have the hazardous materials endorsement on your CDL
D All of the above
⊞ Answer:
D All of the above
11. Placarded loads require a fire extinguisher in your truck with a UL rating of...
A 20 B:C or more
B 10 B:C or more
C 20 A:C or more
D 10 A:C or more
⊞ Answer:
B 10 B:C or more
This one will likely be on the CDL test
12. A placard on the trailer is intended to...
A Communicate the risk of hazardous materials
B Keep people away from the trailer
C Stop lumpers from unloading hazardous materials
D Remind carriers to give the load to qualified drivers
⊞ Answer:
A Communicate the risk of hazardous materials
Remember, they want the best answers on the CDL test. There will be times when there is seemingly more than one right answer to a question - make sure you choose the best one. It's usually straight out of the CDL manual.
13. The placards should be placed on the vehicle...
A Before you load it
B Before you drive it
C Before you get to your destination
D Before you cross a scale
⊞ Answer:
B Before you drive it
Man, don't ever go anywhere without those placards on! The DOT and police know what companies ship hazardous materials and there is no way to know if they will be sitting just around the corner from the shipper waiting to bust you with a monsterous, career-ending ticket and fine! Do not chance this!
14. Entries in the Hazardous Materials Table are shown...
A In alphabetical order by proper shipping names
B In order of risk
C In alphabetical order by brand names
D In order of quantities being shipped
⊞ Answer:
A In alphabetical order by proper shipping names
Simply a matter of memorization.
15. A placard must be placed...
A At least three inches away from any other markings
B Three inches from the back of the trailer
C Three inches from the bottom or the trailer
D Three inches from the front of the trailer
⊞ Answer:
A At least three inches away from any other markings
Don't put it on top of or directly next to any wording on the trailer - company name, etc.
16. If the words *INHALATION HAZARD* appear on the shipping papers, you need...
A Placards designating a poison
B Placards designating a hazardous substance
C A gas mask in the cab of your truck
D Gloves for handling the materials
⊞ Answer:
A Placards designating a poison
They put a lot of emphasis on poisons on the CDL test so be ready for it.
17. When transporting explosives, flammable liquid or flammable gas you may not...
A Use cargo heaters
B Take more than an eight hour break
C Load the materials in a closed cargo space
D Smoke in the cab of your truck
⊞ Answer:
A Use cargo heaters
Again, it's a matter of memorization.
18. Special requirements for hazardous materials shipping papers include...
A Color coding the hazardous materials bills
B Requiring drivers to keep papers either tabbed or on top of other papers
C Requiring shippers to keep the bills in a separate envelope
D None of the above
⊞ Answer:
B Requiring drivers to keep papers either tabbed or on top of other papers
Remember, amongst other requirements, the bills must be within site
19. The hazard class of all materials specifies...
A How heavy the material is
B How much of the material is on your trailer
C The risks associated with the materials
D How flammable the material is
⊞ Answer:
C The risks associated with the materials
This could very well be on the cdl test.
20. When transporting compressed gases, you must...
A Secure the cylinders in boxes or racks, or brace them down flat
B Cover the cylinders with an asbestos material
C Secure the cylinders together
D None of the above
⊞ Answer:
A Secure the cylinders in boxes or racks, or brace them down flat
More memorization. Wow, this was a tough test!
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