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Colorado CDL Hazmat Practice Questions - Colorado CDL Hazardous Materials Endorsement Test Exam
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Question
1
of 25
QUESTION 1 / 25
In Colorado, what endorsement is required to haul hazardous materials in quantities that require placards?
Choose one answer below.
A
H endorsement, or X if combined with tanker
✓
B
P endorsement
✓
C
T endorsement only
✓
D
No CDL endorsement if the load is intrastate
✓
QUESTION 2 / 25
Which Colorado CDL test is listed by Colorado DMV as English only?
Choose one answer below.
A
Hazmat Knowledge Test
✓
B
Air Brakes Knowledge Test
✓
C
Combination Vehicles Test
✓
D
General Knowledge Test
✓
QUESTION 3 / 25
Before a first-time Colorado H endorsement applicant may take the Hazmat knowledge test, what federal training must be completed?
Choose one answer below.
A
Entry-Level Driver Training for the H endorsement
✓
B
A passenger vehicle road test
✓
C
A defensive driving course from any provider
✓
D
A hazardous waste cleanup certification
✓
QUESTION 4 / 25
Who conducts the security threat assessment for a CDL hazardous materials endorsement?
Choose one answer below.
A
Transportation Security Administration
✓
B
Colorado county clerk
✓
C
Pipeline and Hazardous Materials Safety Administration
✓
D
Local fire department
✓
QUESTION 5 / 25
A shipping paper's basic description normally starts with which item?
Choose one answer below.
A
Identification number
✓
B
Driver license number
✓
C
Emergency response guide page
✓
D
Carrier telephone number
✓
QUESTION 6 / 25
Which document tells the driver the proper shipping name, hazard class, identification number, and packing group for a hazardous material shipment?
Choose one answer below.
A
Shipping paper
✓
B
Fuel receipt
✓
C
Vehicle registration
✓
D
Driver qualification file
✓
QUESTION 7 / 25
What does Hazard Class 1 identify?
Choose one answer below.
A
Explosives
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B
Gases
✓
C
Flammable liquids
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D
Corrosive materials
✓
QUESTION 8 / 25
What does Hazard Class 3 identify?
Choose one answer below.
A
Flammable liquids
✓
B
Explosives
✓
C
Radioactive materials
✓
D
Miscellaneous hazardous materials
✓
QUESTION 9 / 25
What does Hazard Class 8 identify?
Choose one answer below.
A
Corrosive materials
✓
B
Oxidizers
✓
C
Organic peroxides
✓
D
Poison gases
✓
QUESTION 10 / 25
What do diamond-shaped hazard labels on packages primarily communicate?
Choose one answer below.
A
The material's hazard class or division
✓
B
The driver's route number
✓
C
The carrier's insurance status
✓
D
The vehicle's registered weight
✓
QUESTION 11 / 25
What should a driver do if required placards are missing before starting a hazmat trip?
Choose one answer below.
A
Do not move the vehicle until the placards are correct
✓
B
Drive only during daylight
✓
C
Cover the shipping papers
✓
D
Use hand signals at intersections
✓
QUESTION 12 / 25
Where should hazmat shipping papers be kept while the driver is at the wheel?
Choose one answer below.
A
Within the driver's reach or in the driver's door pouch
✓
B
Locked in the trailer
✓
C
At the shipper's office only
✓
D
Under other freight in the cargo area
✓
QUESTION 13 / 25
What is the driver's first responsibility after discovering a hazardous materials leak while parked safely?
Choose one answer below.
A
Keep people away and notify emergency help as needed
✓
B
Wash the material into a storm drain
✓
C
Continue driving to avoid delay
✓
D
Open every package to find the source
✓
QUESTION 14 / 25
What should a driver check placards against before leaving the shipper?
Choose one answer below.
A
The shipping papers and package labels or markings
✓
B
The previous trip's bill of lading
✓
C
The vehicle insurance card
✓
D
The fuel tax permit
✓
QUESTION 15 / 25
What is the main purpose of placards on a transport vehicle?
Choose one answer below.
A
Warn the public and emergency responders about the material's hazard
✓
B
Show that freight charges were paid
✓
C
Identify the driver's employer for payroll
✓
D
Replace the need for shipping papers
✓
QUESTION 16 / 25
Which hazard class covers radioactive materials?
Choose one answer below.
A
Class 7
✓
B
Class 2
✓
C
Class 5
✓
D
Class 9
✓
QUESTION 17 / 25
Which hazard class covers gases?
Choose one answer below.
A
Class 2
✓
B
Class 4
✓
C
Class 6
✓
D
Class 8
✓
QUESTION 18 / 25
What should you do if a package label does not match the shipping paper description?
Choose one answer below.
A
Ask the shipper to correct the problem before transport
✓
B
Choose the label that looks most severe and leave
✓
C
Ignore labels if the trailer is placarded
✓
D
Change the shipping paper yourself without authorization
✓
QUESTION 19 / 25
Which item helps emergency responders identify the specific hazardous material by UN or NA number?
Choose one answer below.
A
Identification number
✓
B
Trailer license plate
✓
C
Driver medical card
✓
D
Trip odometer reading
✓
QUESTION 20 / 25
What should a driver do with a suspicious request to bypass normal hazmat paperwork or security procedures?
Choose one answer below.
A
Report it according to company procedures and do not bypass required controls
✓
B
Accept it if the delivery is late
✓
C
Keep it secret unless a spill occurs
✓
D
Remove placards so the load attracts less attention
✓
QUESTION 21 / 25
What is the safest action if you are unsure whether two hazardous materials may be loaded together?
Choose one answer below.
A
Check the segregation rules or ask a qualified person before loading
✓
B
Load them together if both are boxed
✓
C
Separate them only by color
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D
Rely only on the product's brand name
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QUESTION 22 / 25
Why must hazardous materials packages be braced and secured?
Choose one answer below.
A
To prevent movement, damage, and release during transportation
✓
B
To make the trailer heavier
✓
C
To avoid using placards
✓
D
To let the driver ignore segregation rules
✓
QUESTION 23 / 25
When hauling placarded hazardous materials, what should the driver do at railroad crossings?
Choose one answer below.
A
Follow CDL railroad-crossing rules and stop when required for the vehicle or material
✓
B
Always shift gears while crossing
✓
C
Park on the tracks if traffic stops
✓
D
Ignore warning devices if the load is sealed
✓
QUESTION 24 / 25
What is the purpose of emergency response information carried with hazmat shipping papers?
Choose one answer below.
A
It tells what immediate actions to take for a fire, spill, or exposure
✓
B
It replaces the driver's CDL
✓
C
It lists fuel prices near the route
✓
D
It proves the driver passed ELDT
✓
QUESTION 25 / 25
Which hazard class covers oxidizers and organic peroxides?
Choose one answer below.
A
Class 5
✓
B
Class 1
✓
C
Class 7
✓
D
Class 8
✓
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