1 . Which of the following is acceptable if found during a pre-trip inspection?

Tires of mismatched sizes
Tread of 3/32 of an inch in the grooves of the front tires
Tires manufactured by different makers

2 . Talking on a hands-free cell phone:

Is not a distraction from driving.
Can be a distraction from driving.
Allows the driver to eat while driving.

3 . If the emergency air line loses pressure:

The Anti-Lock Braking System will activate.
The service air line will activate.
The emergency brakes will activate.

4 . Placards are:

Not needed if a driver feels there is no need to display them.
Only required on the front of a vehicle.
Required when transporting hazardous materials.

5 . During a vehicle inspection test, the applicant will be asked to:

Complete a full vehicle inspection to determine the safety of the vehicle.
Repair a damaged tire.
Fuel the vehicle.

6 . If only a trailer is equipped with an Anti-Lock Braking System (ABS):

The brakes will likely not work.
The trailer is less likely to swing out.
The tractor brakes should not be used.

7 . Convex mirrors:

Are illegal in most states.
Provide a wider view of the road than do flat mirrors.
Should be used in the place of flat mirrors.

8 . If planning to stop on the road to unload cargo, you should:

Stop suddenly, since you are already on the road.
Warn other drivers by tapping your brakes.
Wave your arm out the window to get the attention of other drivers.

9 . Tires with tread separation are:

Acceptable if placed on the rear of the vehicle.
Acceptable when transporting lighter loads.
Not acceptable.

10 . Once cargo is secured onto a vehicle:

You do not need to inspect the cargo.
You should not let others inspect the cargo.
You should check the cargo every 150 miles.

11 . Distracted driving can be avoided by:

Pre-programming radio stations.
Smoking while driving.
Eating while driving.
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12 . When making a left turn where there are two available turn lanes, a driver should begin the turn in the rightmost lane because:

It will be easier for the driver to keep track of turning vehicles on their left than on their right.
The vehicle will be able to turn more quickly.
Other vehicles will get out of the turning vehicle's way.

13 . Texting while driving is:

Safer than talking on the phone while driving.
About as safe as talking on the phone while driving.
More distracting than talking on the phone while driving.

14 . Which of the following is not common characteristic of a roadway in a work zone?

A level road surface
Narrowed lanes
Sharp turns and corners

15 . If planning to back a vehicle where there may be overhanging objects, a driver should:

Cut wires or branches as necessary.
Inspect the area before backing.
Not worry about the obstacles.

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

Six to seven
Seven to eight
Eight to nine
Four to five

17 . Most apparently harmless items on a roadway:

Are harmless.
Can be dangerous.
Should be immediately removed.

18 . Shipping papers describing hazardous materials:

Should not be placed in the cab.
Must include the types of materials being transported.
Must be kept in electronic form.

19 . 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.

20 . A tank should never be transported if:

The valves are open.
The tank is partially filled.
The cargo is a hazardous material.