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Missouri CDL Hazmat Practice Questions - Missouri CDL Hazardous Materials Endorsement Test Exam
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Question
1
of 25
QUESTION 1 / 25
Which CDL endorsement authorizes a Missouri driver to haul placarded hazardous materials?
Choose one answer below.
A
H endorsement
✓
B
N endorsement
✓
C
P endorsement
✓
D
T endorsement
✓
QUESTION 2 / 25
Which CDL endorsement combines tank vehicle and hazardous materials authority?
Choose one answer below.
A
H endorsement
✓
B
X endorsement
✓
C
N endorsement
✓
D
S endorsement
✓
QUESTION 3 / 25
Which Missouri agency administers CDL written exams such as the HazMat knowledge test?
Choose one answer below.
A
County recorder offices
✓
B
Private fuel stations
✓
C
Missouri State Highway Patrol examination stations
✓
D
The shipper at the loading dock
✓
QUESTION 4 / 25
Which federal agency conducts the HME security threat assessment for Missouri H or X applicants?
Choose one answer below.
A
Environmental Protection Agency
✓
B
Occupational Safety and Health Administration
✓
C
Internal Revenue Service
✓
D
Transportation Security Administration
✓
QUESTION 5 / 25
What training must a first-time H endorsement applicant complete before the H knowledge test?
Choose one answer below.
A
Entry-Level Driver Training
✓
B
Defensive handgun training
✓
C
Passenger evacuation training only
✓
D
Motorcycle rider training
✓
QUESTION 6 / 25
What is the federal minimum passing score for CDL knowledge tests?
Choose one answer below.
A
60 percent
✓
B
80 percent
✓
C
70 percent
✓
D
100 percent
✓
QUESTION 7 / 25
What is the main purpose of a hazmat placard?
Choose one answer below.
A
Advertise the carrier
✓
B
Show the driver license class
✓
C
Warn the public and responders about the hazard class
✓
D
List the delivery appointment
✓
QUESTION 8 / 25
Where should hazmat shipping papers be when the driver is away from the cab controls?
Choose one answer below.
A
Locked in the sleeper
✓
B
Inside the trailer
✓
C
At the terminal only
✓
D
On the driver seat or in the driver door pouch
✓
QUESTION 9 / 25
Which item belongs in the basic hazmat shipping description?
Choose one answer below.
A
UN or NA identification number
✓
B
Vehicle plate number
✓
C
Driver medical card number
✓
D
Fuel tax account number
✓
QUESTION 10 / 25
What does Hazard Class 1 cover?
Choose one answer below.
A
Gases
✓
B
Explosives
✓
C
Corrosives
✓
D
Miscellaneous materials
✓
QUESTION 11 / 25
What does Hazard Class 2 cover?
Choose one answer below.
A
Flammable liquids
✓
B
Radioactive materials
✓
C
Gases
✓
D
Corrosives
✓
QUESTION 12 / 25
What does Hazard Class 3 cover?
Choose one answer below.
A
Explosives
✓
B
Oxidizers
✓
C
Toxic substances
✓
D
Flammable liquids
✓
QUESTION 13 / 25
What does Hazard Class 7 cover?
Choose one answer below.
A
Radioactive materials
✓
B
Flammable solids
✓
C
Corrosives
✓
D
Gases
✓
QUESTION 14 / 25
What does Hazard Class 8 cover?
Choose one answer below.
A
Organic peroxides
✓
B
Corrosive materials
✓
C
Explosives
✓
D
Flammable solids
✓
QUESTION 15 / 25
Which packing group indicates the greatest danger?
Choose one answer below.
A
Packing Group II
✓
B
Packing Group III
✓
C
Packing Group I
✓
D
Packing Group IV
✓
QUESTION 16 / 25
What should a driver do with a leaking hazmat package before loading?
Choose one answer below.
A
Load it and call later
✓
B
Cover it with freight
✓
C
Remove the hazard labels
✓
D
Reject it or have it corrected before transport
✓
QUESTION 17 / 25
How many sides of a vehicle normally display placards when placards are required?
Choose one answer below.
A
Four sides
✓
B
One side
✓
C
Two sides
✓
D
Three sides
✓
QUESTION 18 / 25
Which document gives responders immediate hazmat response information?
Choose one answer below.
A
Fuel receipt
✓
B
Emergency response information
✓
C
Annual inspection decal
✓
D
Driver log recap
✓
QUESTION 19 / 25
What is the safest general approach direction at a hazmat incident?
Choose one answer below.
A
Downwind and downhill
✓
B
Through the vapor cloud
✓
C
Upwind and uphill when possible
✓
D
From the lowest drainage point
✓
QUESTION 20 / 25
What should a driver do first after discovering a serious hazmat leak in transit?
Choose one answer below.
A
Keep driving to destination
✓
B
Wash it into a drain
✓
C
Open packages to investigate
✓
D
Stop safely, keep people away, and notify responders
✓
QUESTION 21 / 25
Which cargo must be protected from contamination by poisons when rules require separation?
Choose one answer below.
A
Foodstuffs
✓
B
Empty pallets
✓
C
Spare tires
✓
D
Traffic cones
✓
QUESTION 22 / 25
What does a package hazard label primarily identify?
Choose one answer below.
A
The route number
✓
B
The package hazard class or division
✓
C
The carrier insurance limit
✓
D
The driver endorsement number
✓
QUESTION 23 / 25
What should a driver do if required placards are missing?
Choose one answer below.
A
Drive only in daylight
✓
B
Tape handwritten notes on one side
✓
C
Do not transport until proper placards are displayed
✓
D
Rely only on the bill of lading
✓
QUESTION 24 / 25
What does RQ on a shipping paper indicate?
Choose one answer below.
A
Road-qualified route
✓
B
Reusable empty package
✓
C
Requested quick delivery
✓
D
Reportable quantity of a hazardous substance
✓
QUESTION 25 / 25
Which class covers miscellaneous hazardous materials?
Choose one answer below.
A
Class 9
✓
B
Class 1
✓
C
Class 5
✓
D
Class 8
✓
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