1 . When driving, mirrors should be used:

Only when there may be a problem.
Infrequently.
Regularly.

2 . In an empty combination vehicle, the stiff suspension springs and strong brakes will have:

High traction.
Low traction.
No traction.

3 . Skids happen when:

Tires lose their grip on the road.
There is too much weight in the trailer.
ABS kicks in.

4 . Which of the following is not a warning sign of fatigue?

Frequent blinking
Rubbing your eyes
Missing exits or traffic signs
Staying within your lane

5 . When approaching a railroad crossing:

You will likely be able to outdrive a train.
You should not rely only on warning signals.
You should roll a window down to listen for an approaching train.
You should only worry about the track closest to your vehicle.

6 . When approaching a railroad crossing, a driver should:

Rely only on automated signals.
Expect to hear a train.
Cross the tracks before an approaching train reaches the crossing.
Reduce their speed.

7 . How many daily hours of sleep does an adult need to maintain alertness?

Six to seven
Seven to eight
Eight to nine

8 . The radiator cap:

Should not be removed when the coolant is hot.
Can be removed when the coolant is hot.
Should be cool to the touch under normal driving conditions.

9 . In icy conditions, a retarder should be:

Turned on.
Turned off.
Only used on the rear wheels.

10 . If confronted by an aggressive driver, you should:

Keep your vehicle in front of them.
Make eye contact with them
Ignore their gestures.

11 . The best way to recognize that your trailer has started to skid is by:

Seeing other drivers' faces.
Checking the trailer in your mirrors.
Feeling the trailer move.
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12 . Hydroplaning happens most often when:

A vehicle is traveling faster than 60 mph.
Tire pressure is too low.
Tire tread is too deep.

13 . An Anti-Lock Braking System (ABS):

Is not available for most trucks.
Is not helpful in most situations.
Is required on newer trucks.

14 . Shipping papers identifying hazardous materials should be:

At the bottom of a stack of shipping papers.
On the top of a stack of shipping papers.
In a location separate from non-hazardous materials.
Stored under the passenger’s seat.

15 . ____ are the cause of more than half of all accident-related truck driver deaths.

Truck rollovers
Motorcycles
Slippery roads
Pedestrians

16 . If feeling tired while driving, it is best to:

Take a pep pill.
Get some rest.
Continue driving.

17 . Which of the following is not a cause of hydraulic brake failure?

Loss of hydraulic pressure
Brake fade on long hills
Downshifting

18 . A tank may:

Have a little leakage, but not too much.
Not have any leakage.
Not be driven without a hazardous materials endorsement.

19 . When driving, how can you maintain alertness?

Keep cool by using the air conditioner or opening a window.
Eat a lot of heavy foods.
Avoid stopping.

20 . A liver can process about ____ per hour.

One alcoholic drink
Two alcoholic drinks
Three alcoholic drinks