1 . Tires with tread separation are:

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

2 . A cracked rim should be:

Repaired by welding.
Relocated to one of a pair of dual tires.
Replaced.

3 . If your vehicle is hydroplaning, you should:

Accelerate.
Not use the brakes.
Put the vehicle in reverse.

4 . 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.

5 . 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.

6 . 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.

7 . 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.
When tank pressure falls below 5 psi.

8 . Confused drivers:

Often change direction suddenly.
Often turn on their emergency flashers to warn other drivers.
Often look like other drivers.

9 . ____ are the most likely to be affected by strong winds.

Light vehicles
Heavy vehicles
Vehicles with open windows

10 . Alcohol can be removed from your system:

By exercising.
By drinking coffee.
By waiting.

11 . Rust around wheel nuts:

Is normal.
Should be cleaned.
May indicate that the nuts are loose.
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12 . Air tank drains are used to remove ____ from the braking system.

Water
Alcohol
Sand

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 . 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.

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 . If a vehicle is equipped with a retarder and the vehicle's drive wheels have poor traction:

The wheels will be more likely to skid.
The wheels will have improved traction.
The wheels will lock up.

17 . Signs indicating the height of a bridge or overpass are:

Very precise.
Usually correct, but may also be incorrect.
Always wrong.

18 . If a vehicle is carrying hazardous cargo, placards must be placed:

Only on the front of the vehicle.
On the front, rear, and sides of the vehicle.
Only on the driver’s side of the vehicle.

19 . A turn signal should be used well in advance of a turn:

So the driver does not forget to signal.
So other drivers will not attempt to pass the turning vehicle.
So other drivers may use the full lane.

20 . What tells you how much pressure is in your vehicle's air tanks?

The supply pressure gauge
The ABS malfunction lamp
The tractor protection valve