1 . If your brakes fail when traveling downhill, decide what to do as quickly as possible because:

The longer you wait, the faster your vehicle will go.
The longer you wait, the more vehicles will get out of your way.
The longer you wait, the slower your vehicle will go.

2 . Leaking shock absorbers:

Are normal.
Indicate a potentially dangerous defect.
Will prevent the turn signals from working.
Pose no threat if the vehicle is only driven on highways.

3 . Belts in the engine compartment should:

Be frayed.
Not have excessive wear.
Be greasy.

4 . When it’s difficult to see, such as at dawn or dusk, a driver can increase their vehicle's visibility by:

Driving while using their lights.
Driving with their windows open.
Flashing their lights periodically.

5 . When driving a tank, a surge:

Is usually helpful.
Can be dangerous.
Is not a concern.

6 . Which of the following is not a sign of fatigue?

Difficulty focusing, with frequent blinking
Yawning repeatedly or rubbing eyes
Staying in your lane

7 . Before entering a curve, you should:

Upshift.
Speed up.
Drive on the shoulder.
Downshift.

8 . Which of the following is not an indication of damaged brakes?

Cracked drums
Shoes with oil or grease on them
Shoes worn thinly
Pads free of oil or grease

9 . Cargo inside a trailer:

Does not need to be secured.
Should be stacked no more than three feet high.
Should be secured to prevent movement.

10 . When pulled off on the side of the road:

A driver should keep the driver’s side door open.
A driver should turn on the emergency flashers.
The driver should wave their arms.

11 . Roads are especially slippery right after it begins to rain because:

The water mixes with oil and grease on the road.
Tires are not made to drive in wet weather.
The water yet hasn't absorbed the dirt and grease.
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12 . When entering a curve, you should:

Get off the roadway.
Use the shoulder.
Downshift.
Take the vehicle out of gear.

13 . A danger of swerving to avoid a hazard while driving a large truck is that:

The truck may miss the object.
The truck may flip over.
The truck may stay in the same lane.

14 . To warn drivers behind you that you will be slowing down, you should:

Turn on the right turn signal followed by the left turn signal.
Tap your brake pedal a few times to illuminate your brake lights.
Swerve from side to side to get their attention.

15 . Poisonous fumes can enter a cab due to:

A defective exhaust system.
Using the wrong type of fuel.
A lack of oil in the engine.

16 . During a cargo fire, opening the trailer doors may actually cause the fire to expand because doing so:

Allows oxygen into the trailer.
Changes the temperature of the trailer.
Provides more moisture to the trailer.

17 . The identification numbers assigned to chemicals can be found:

In the DOT Emergency Response Guide.
In the truck's manual.
In the Periodic Table of Elements.

18 . If an unusual noise or feeling occurs in a vehicle while it is being driven, the driver should:

Assume it is not a concern and continue driving.
Hope the vehicle does alright until it is switched to another driver.
Check the situation to determine the proper solution.

19 . A thin layer of ice that forms on road surfaces is called:

White ice.
Black ice.
Blue ice.

20 . What is the best way to stop if your brakes fail while you are driving downhill?

Steer onto an escape ramp.
Let the vehicle slow down on its own.
Let rumble strips slow your vehicle.