1 . Placards showing the type of hazardous materials in a vehicle are usually shaped like what?

An octagon
A circle
A diamond

2 . Which of the following is not a sign of a driver becoming tired?

Frequent blinking
Drifting from their lane
Feeling hungry

3 . Maintaining a cushion of space between your vehicle and the vehicle ahead is:

Not encouraged, as it slows the flow of traffic.
Encouraged, as it allows you time to react to unexpected hazards.
Only encouraged if you are traveling with a passenger.

4 . If a package contains liquid containers, the box must display:

Arrows pointing in the correct upright direction.
A return address.
The number of containers inside the box.

5 . If you realize you may be running late to your destination, you should:

Speed up.
Get upset.
Deal with it and drive at a safe speed.

6 . When a tank that is divided by bulkheads is being loaded with liquid cargo, most of the weight should be placed:

In the top of the tank.
In the middle of the tank.
In the rear of the tank.

7 . When passing a row of parked vehicles, a driver should:

Stay close to the vehicles.
Watch for signs of a person exiting a vehicle.
Flash their headlights.

8 . Most heavy trucks with manual transmissions require ____ to change gears.

Single clutching
Double clutching
Triple clutching

9 . Which of the following is the best advice for driving in fog?

Try not to drive in fog.
Use your high beam headlights.
Turn off your lights.

10 . A Class 1 hazardous material is:

An explosive.
Liquid.
Corrosive.

11 . Which of the following will not help prevent a rig from rolling over?

Keeping the cargo as close to the ground as possible
Driving slowly around turns
Driving on the shoulder of a road
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12 . When traveling with Division 1.1 explosives, you must park at least ____ from any building.

25 feet
50 feet
300 feet

13 . A trailer loaded with cargo that has a high center of gravity:

Gets improved gas mileage.
Rolls over easily.
Should have tires deflated by 10 percent.

14 . What is a retarder?

A device that prevents a vehicle from going too fast
A device that prevents a vehicle from being too loud
A device that improves a vehicle's gas mileage

15 . Liquid surge occurs in:

Overfilled tanks.
Partially-filled tanks.
Tanks that have not been used for a period of time.

16 . Forward-and-back surge is usually strong in:

A holding tank.
An unbaffled tank.
A leaf tank.

17 . Antifreeze helps to keep an engine functioning properly:

But only if it is cold outside.
To be more fuel efficient.
Both when it is cold and hot outside.

18 . During a trip, gauges are:

Often misleading.
The only way a driver can learn of potential trouble with the vehicle.
A way to learn of potential trouble with the vehicle.

19 . If driving so slowly that you could impede other drivers, you should:

Drive in the left lane.
Drive while using your four-way flashers.
Drive without using any lights.

20 . How many identical placards must be placed on a vehicle?

Three
Two
Four