Held with one hand while the other hand rests.

Held with both hands to ensure an adequate grip.

Released if the vehicle is approaching a bump.

A driver talking to a passenger in their vehicle

A person sitting on a bench waiting for a bus

A construction worker on the side of the road

Consists of two separate air brake systems that share a single set of controls.

Is a single air brake system with two different sets of controls.

Consists of one air brake system for the left side of the truck and one system for the right side of the truck, each with its own set of controls.

Is suitable for all vehicles.

Is suitable for some vehicles, but may be too fast for a large CMV.

Is just a suggestion and may be exceeded.

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.

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.

The brakes will lock up.

Warning lights should turn on, then quickly turn off.

Coolant temperatures should decrease.

Decrease.

Rise slowly.

Hold steady.

Should not be used in cold weather.

Are helpful to remove water and oil from the air tanks.

Are used to move air to the brakes.

The parking brake should be used.

The parking brake only needs to be used if the vehicle is parked on a slope.

The parking brake should not be used, as it can damage the tires.

It is usually safe to drive.

The road will become even more slippery.

Traction will increase.

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.

Six months

One year

Three years

The brakes are very hot.

The brakes are very cold.

There is snow on the ground.

Any time a vehicle is carrying hazardous materials.

When there is extra space on a truck.

Only when the amount of hazardous materials on a truck exceeds 200 pounds.

They are working properly.

They need to be checked.

They will be the most effective.

Not use the mirrors.

Speed up.

Downshift.

Rarely happens to trucks.

Usually happens when vehicles are traveling at speeds above 65 mph.

Can occur with a minimal amount of water on the roadway.

1 psi

2 psi

3 psi

25 feet.

50 feet.

200 feet.

Air pressure

Electricity

Gasoline

Only use the side mirrors on the driver’s side.

Use both side mirrors.

Never use a helper.

When tank pressure falls below 120 psi.

When tank pressure falls below 55 psi.

When tank pressure falls below 10 psi.

When tank pressure falls below 5 psi.

Encouraged at slow speeds.

Encouraged at all speeds.

Discouraged at all speeds.

Move into the left lane.

Speed up.

Increase the distance between you and the vehicle ahead.

Every three hours.

Every day.

Every other week.

Leaves should be broken.

Leaves can be missing.

Leaves should not be broken.

Leave the engine turned on

Turn the engine turned off

Open the hood

Poisonous fumes may enter the cab.

Fumes may exit the rear of the muffler system.

Proper steering may be impossible.

8 psi

5 psi

3 psi

Engine speed and road speed.

Other trucks and driving conditions.

Timing and road position.

Pressed down gradually.

Pressed down quickly.

Pressed down repeatedly, but not held down continuously.

Usually have a low center of gravity.

Usually have a high center of gravity.

Are usually not allowed to cross railroad tracks.

When the roadways are slippery

When you have a passenger

When you are carrying a heavy load

The time required for the brakes to work after the brake pedal is pressed

The distance between the brake pedal and the floor

The amount of air pressure used to stop the vehicle

It is difficult to see behind the vehicle.

Most trucks do not have the ability to move in reverse.

Cargo may fall out of the trailer.

Not use a turn signal since you were told to make the turn.

Check traffic only to your right.

Check traffic in all directions.

Is a good way for inexperienced drivers to gain experience.

Requires a skilled driver.

Is illegal in most states.

Usually has no effect on the vehicle.

Can impact the vehicle's steering and brake control.

Can impact the vehicle's electrical system.

Stay in the vehicle.

Get out of the vehicle and call for assistance.

Continue trying to get your vehicle off the tracks until you are successful.

Are usually heavy enough to not need to be strapped down.

Should not be strapped down if you are driving more slowly than 35 mph.

Must always be secured.

Get as close to the fire as possible.

Stand as far away from the fire as possible.

Aim the extinguisher at the top of the fire.

Unreliable.

Unpredictable.

To be monitored for potential signs of trouble.

One tie-down.

Two tie-downs.

Three tie-downs.

When changing lanes.

When making a turn.

To determine how fast you are traveling.

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.

One second

Two seconds

Three seconds

Open the hood as soon as possible.

Turn off the engine as soon as possible.

Not use a fire extinguisher.

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.

As you begin to move downward

As you go downhill and pick up speed

Before you start going downhill