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.

Usually several inches

A significant amount, such as a large puddle

A small amount

None

Wear your safety belt.

Obey all traffic laws.

Complete the test without a moving violation.

Obey all traffic signs and signals, but only if other traffic is present.

Physical

Mental

Obtuse

Ice that is dry

Ice that is wet

Wet pavement

The fifth wheel.

A brake drum.

The landing gear.

Park your vehicle uphill.

Park your vehicle downhill.

Leave the vehicle running.

Only needed for vehicles transporting hazardous materials.

Only needed for interstate travel.

Required.

Only required when transporting passengers.

Too much air pressure

Too little air pressure

Radial and bias-ply tires used together

Tread depth of at least 4/32 of an inch on the front tires

Prevent wheel lockup

Prevent the air compressor from overheating

Prevent the front brakes from being used on ice

Prevent the brakes from being used if downshifting would be more effective

Cannot be used on vehicles transporting hazardous materials.

Are illegal in most states.

Can help drivers see a larger area.

The vehicle will speed up.

You may have trouble putting the vehicle into the next gear.

You may kill the engine.

When it is snowing

When the temperature is below freezing and the road looks wet

When the temperature is above freezing and there is snow on the ground

Just after a rainstorm

Be frayed.

Not have excessive wear.

Be greasy.

Poisonous fumes may enter the cab.

Poisonous fumes may exit the rear of the muffler system.

It may prevent proper steering.

It may cause problems if the trailer is fully loaded.

Six to seven

Seven to eight

Eight to nine

Four to five

A driver talking to another person in a vehicle

Children on the side of the road

Construction workers on the side of the road

A person sitting on a bench waiting for a bus

Move quickly.

Move slowly and smoothly.

Hold down your horn.

Result in an out-of-service order for two hours.

Result in an out-of-service order for 10 hours.

Result in an out-of-service order for 24 hours.

You should not back up in a straight line.

You should not correct drift until you are far off course.

You should frequently pull forward to reposition the vehicle.

You must tell your employer.

Your CDL will not be affected.

Law enforcement will tell your employer.

Acceptable if you are driving without a passenger.

Acceptable if you plan to use a hands-free feature.

Unacceptable even if you plan to use a hands-free feature.

Green

Orange

Red

Purple

Does not need to be secured.

Should be stacked no more than three feet high.

Should be secured to prevent movement.

15 years old.

18 years old.

21 years old.

25 years old.

Is a good way for inexperienced drivers to gain experience.

Requires a skilled driver.

Is illegal in most states.

Park on a hill and test the brakes.

Put on gloves and push in the slack adjusters.

Remove the drum and look inside.

Chock the wheels and disengage the parking brake.

Pass the parking space while backing, then pull forward into it.

Pull forward past the parking space, then back into it.

Pull forward into the parking space without passing it first.

Back into the parking space without passing it first.

Slack adjuster

One-way check valve

Tractor protection valve

15 years old

18 years old

21 years old

25 years old

Your vehicle should be parked uphill.

Your vehicle should be parked downhill.

Your vehicle should be washed.

Your vehicle may have to be left running.

Put on their hazard lights.

Downshift.

Brake normally.

Use their parking brake to stop.

The brakes will lock up.

Warning lights should turn on, then quickly turn off.

Coolant temperatures should decrease.

Allows you time to make a plan to avoid an upcoming hazard.

Is not encouraged as it distracts you from driving.

Is only important when traveling in congested traffic.

Is acceptable.

Allows air to reach the cargo and keep it cool.

Can tear away.

Can attract birds.

15 years old.

18 years old.

21 years old.

25 years old.

White ice.

Black ice.

Blue ice.

Be tested once a month.

Only be tested by a trained mechanic.

Be tested before every trip.

Keep cargo in a large box.

Prevent cargo from sliding in a trailer.

Prevent cargo from falling out of a trailer.

Pump the brake pedal three times, then hold down the pedal for five seconds. If the pedal moves, there may be a problem.

Push the brake pedal down as far as possible and release. If the brake pedal returns to its normal position, there may be a problem.

Push the brake pedal down as far as possible and release. If the brake squeaks, there may be a problem.

Always respond by stopping.

Not always respond by stopping.

Never respond by swerving.

Always turn on your flashers to warn other drivers.

Discouraged, as there is little you can do about something far up the road.

Encouraged to help you identify hazards as early as possible.

Not permitted.

Engage and disable the parking brake.

Rapidly press and release the brake pedal.

Open the rear shut-off valves.

Uncouple and recouple all glad hands.

Not encouraged, as it slows the flow of traffic.

Encouraged, as it allows you time to react to unexpected hazards.

Only encouraged if you are traveling with a passenger.

Usually follows the rules of the road.

Usually has slowed perception.

Is a good person to follow.

That the truck is not overloaded.

That the cargo is balanced.

That the cargo is secured properly.

That the cargo is heavier at the top than the bottom.

A driver should keep the driver’s side door open.

A driver should turn on the emergency flashers.

The driver should wave their arms.

Stay close to the vehicles.

Watch for signs of a person exiting a vehicle.

Flash their headlights.

Should be expected to be on the roadway.

Is usually empty and harmless.

Could contain a heavy object that could damage vehicles.

Switch lanes frequently.

Use your mirrors to check traffic as needed.

Drive on the left side of the lane.

Drive above the posted speed limit.