1 . While driving, if you notice anything that affects safety or could lead to mechanical problems, you should:

Wait to see if the problem goes away.
Include the concerns in your written report.
Try to fix the issue yourself.

2 . Slow down and be extra careful:

When traveling in normal traffic.
When driving on dry pavement.
When approaching a work zone.

3 . The leakage rate for a single vehicle with air brakes should be no more than ____ in one minute during a static leakage test.

1 psi
2 psi
3 psi

4 . 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.

5 . 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.

6 . When braking with ABS, you should:

Push the brake pedal harder than usual.
Push the brake pedal as you normally would.
Push the brake pedal more lightly than usual.

7 . If one-fourth of the leaves in a leaf spring are missing when a vehicle is inspected:

The vehicle’s driver will be allowed to drive, but only at reduced speeds.
The vehicle will be put out-of-service until it is fixed.
The vehicle will be fine to drive since most of the spring is in place.

8 . Before driving a vehicle with air brakes, you should ensure that the ____ come on automatically when air pressure falls below 45 psi.

Spring brakes
Parking brakes
Air brakes

9 . Shaded areas of a road:

Usually don’t freeze.
Are usually blocked from all moisture, so they cannot freeze.
Will remain slick after ice has melted on other areas of the road.

10 . If you must cross traffic while driving a combination vehicle, you should:

Assume other drivers will make room for your vehicle.
Wait for a gap large enough for your vehicle to safely cross.
Rely only on your mirrors.

11 . Keeping cargo centered on a rig can:

Help you drive faster.
Prevent a rollover.
Make turns more dangerous.
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12 . To prevent your vehicle from rolling backward when beginning to move, you can:

Partly engage the clutch before taking your foot off the brake pedal.
Place the vehicle in second gear.
Use the parking brake when stopping.

13 . When should mirror adjustments be made?

Before starting a trip
While driving
When a vehicle is stopped at a traffic signal

14 . If you are confronted by an aggressive driver, you should:

Make eye contact.
Ignore their gestures.
Try to race.

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

Six to seven
Seven to eight
Eight to nine

16 . If the safety relief valve in the air brake system releases air:

The compressor needs more air.
The air pressure has become too high.
The brakes are fully operational.

17 . A low air pressure warning signal should activate:

When tank pressure falls below 120 psi.
When tank pressure falls below 60 psi.
When tank pressure falls below 10 psi.

18 . ____ is an example of required emergency equipment.

A spare electrical fuse
A loud horn
A battery-operated flashlight

19 . When backing with a trailer, turning toward the driver’s side is encouraged because:

The driver will have the best possible view.
Power lines should be on the passenger's side.
Other drivers can offer assistance on the passenger's side.

20 . When starting from a stop:

A vehicle should shift to the right.
A vehicle should be put into third gear.
A vehicle should not roll back.