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Commercial Drivers Licence Online Practice Test - Exam 7
Date :
19 / 10 / 2026
Q
1
)
If a materials class is the word ?forbidden?, what kinds of materials are you still allowed to haul?
Any other hazardous material
You ca not haul a forbidden cargo
Nothing
Both b and c
Q
2
)
A driver that hauls hazardous materials must attend training every:
3 years
2 years
1 year
None of the above
Q
3
)
What are cargo tanks?
Tanks that are not permanently attached to a vehicle.
Tanks that are put on the vehicle for transportation.
Tanks that remain on the vehicle when you load and unload them.
None of the above
Q
4
)
Your load includes 20 pounds of division 2.3 gas and .1001 pounds of flammable gas.What placard do you need?
Flammable
Explosive
Poison
None of the above
Q
5
)
When a spill occurs of an ?rq? substance the carrier has within ______to report the spill.
1 week
2 weeks
15 days
60 days
Q
6
)
If hazardous material is spilling from your vehicle, do not move your vehicle:
Any more than safety required
In an upwind direction
Any more that 450 feet
Any more than 500 feet
Q
7
)
You may not park a vehicle carrying hazardous materials within ____ feet of an open fire.
300
200
150
100
Q
8
)
How many different type placards are there showing dot specifications?
31
15
17
13
Q
9
)
When handling packages of explosives, you must:
Double wrap wet boxes in plastic to prevent staining
Never use hooks or other metal tools
Keep bystanders 100 feet away
All of the above.
Q
10
)
When hauling explosives 1.1 & 1.3; which placard do you use?
a. Explosives 1.3
b. Explosives 1.1
c. Dangerous
Both a and c
Q
11
)
The hazardous waste manifest should be
Stored in the glove compartment
Kept with the driver at all times
The same as all other paper work
Tabbed differently and kept on top of all other paperwork
Q
12
)
Column 1 (symbols ) the ?+? sign means:
The proper shipping name is in italics
The proper shipping name is invalid
The proper shipping name with out regard whether the material meets the definition of that class.
Do not use proper shipping name
Q
13
)
When there is a hazardous materials emergency. You should:
a. Prevent smoking and keep open flames away.
b. Keep people away and warn them of the danger.
Both a and b above
None of the above
Q
14
)
Who is responsible for safely transporting a hazardous material shipment without delay and keeping the shipping papers in the right place?
The carrier
The passenger
The driver
The shipper
Q
15
)
Cylinders containing compressed gases may only be loaded onto a vehicle without a flat floor or platform if the cylinders are:
In boxes that will keep them from turning over
Loaded into racks attached to the vehicle
Loaded in an upright or horizontal position
All on the above
Q
16
)
Class a explosives must not be transported in a combination vehicle if the vehicle includes:
A placarded cargo tank.
Two or more trailers.
A 200 inch wheelbase trailer.
None of the above.
Q
17
)
Which signals may be used to warn of a stopped vehicle that contains explosives?
Flares or fusees
Reflective triangles
Signal fires
All of the above.
Q
18
)
Who signs it?
The driver hauling the hazardous materials.
The shipper packaging the hazardous materials.
The owner of the truck hauling the materials.
None of the above
Q
19
)
A placard is required for a combustible liquid at?
110 gallons
100 gallons
More than 110 gallons
Any amount
Q
20
)
You are going to be hauling hazardous materials over a route you do not know well. When should you check the route and get the permits needed for the trip:
Within 24 hours of the finish of the trip
Within the first 50 miles of the trip
Before starting the trip
While you are still on a part of the route that you know
Minumum pass for the test is 75%
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Commercial Drivers Licence
Commercial Driver Licence Test 1
Commercial Driver Licence Test 2
Commercial Driver Licence Test 3
Commercial Driver Licence Test 4
Commercial Driver Licence Test 5
Commercial Driver Licence Test 6
Commercial Driver Licence Test 7
Commercial Driver Licence Test 8
