Maine CDL DMV Endorsement Double 2

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1. If backing a truck:

You should rely on your mirrors to guide you.

You should first walk the area to become more familiar with obstacles.

You should look straight ahead.

If you must drive in reverse, you should first walk around your vehicle to look at the path of travel and check for obstacles. Because mirrors have blind spots, you cannot rely exclusively on them. It is recommended to use a helper whenever possible.

2. If approaching a railroad crossing that is being approached by a train, you should:

Try to cross the tracks quickly.

Drive around any lowered gates.

Stop and wait for the train to pass before beginning across the tracks.

Never attempt to beat a train to a railroad crossing. It is very difficult to accurately judge the speed of an approaching train. If you come upon a crossing that is being approached by a train, you must stop and wait for the train to pass before you attempt to cross the tracks.

3. The only way to sober up after consuming alcohol is to:

Take a cold shower.

Exercise.

Wait.

Most alcohol is removed from the body by the liver, which processes alcohol at a fixed rate. Despite popular belief, techniques like drinking black coffee or taking a cold shower will not accelerate this process. The only thing you can do to become sober after drinking is allow your body the time it needs to eliminate the alcohol from your system.

4. 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

A vehicle that is equipped with air brakes must also be equipped with a supply pressure gauge. This gauge tells the driver how much air pressure is in each of the vehicle's air tanks.

5. On a slippery road, a driver should:

Make turns as quickly as possible.

Refrain from passing slower vehicles.

Stop quickly.

Under slippery conditions, you should drive slowly and smoothly. Make turns as gently as possible and do not pass other vehicles unless you have to.

6. After an accident, flares should be used with caution because:

There may be fuel spilled on the ground that could catch fire.

Other drivers may not see the flares if the weather is sunny.

Flares are expensive.

A common cause of vehicle fires in the aftermath of an accident is the improper use of flares near spilled fuel. Use flares with caution.

7. Routine vehicle inspections should be done to ensure:

Safety.

Good gas mileage.

Comfort.

The most important reason to inspect your vehicle is to ensure the safety of yourself and other road users.

8. A broken exhaust system:

Can allow poisonous fumes to enter the cabin.

Does not cause problems.

Should not be a concern.

A broken exhaust system can let poisonous fumes into a vehicle's cab or sleeper berth. Be sure to inspect your exhaust system for any loose, broken, or missing parts.

9. If another driver is tailgating you, you should:

Move into the left lane.

Speed up.

Increase the distance between you and the vehicle ahead.

If you are being tailgated, you should increase the distance between your vehicle and the vehicle ahead. This will reduce your need to make sudden moves, and will also allow the tailgater more room to pass you. Speeding up when being tailgated is not advised because it may result in the tailgater continuing to follow you closely at the higher speed, only increasing the danger.

10. Truck tractors with air brakes built on or after March 1, 1997 must have:

An Anti-Lock Braking System (ABS).

Bluetooth.

A GPS.

Truck tractors with air brakes built on or after March 1, 1997, and other vehicles with air brakes built on or after March 1, 1998, must be equipped with anti-lock brakes.

11. Eating while driving:

Is a good way to maximize your time.

Is encouraged during long trips.

Is a distraction to the driver.

Eating while driving can be a dangerous distraction to the driver both because it diverts their attention away from the task at hand and requires them to remove a hand from the steering wheel.

12. When the spring brakes are on, you should never:

Turn on the lights.

Turn off the vehicle.

Push down the brake pedal.

Never push down the brake pedal while the spring brakes are activated. The combined force of springs and air pressure could damage the brakes.

13. Which of the following will not help prevent a rig from rolling over?

Keeping the cargo as close to the ground as possible

Driving slowly around turns

Driving on the shoulder of a road

To help prevent a rig from rolling over, you should keep the weight of the cargo as close to the ground as possible when loading. You should also drive slowly around turns.

14. An after-trip inspection should be done:

Once a week.

Once a month.

After every trip.

You should always complete an after-trip inspection of your vehicle at the end of a trip, day, or tour of duty. Complete a vehicle inspection report, if required.

15. ____ make up the emergency brake system.

Only parts of the parking brake system

Only parts of the service brake system

Parts of the parking and service brake systems

In an air brake system, there are three different braking systems: a service brake system, a parking brake system, and an emergency brake system. The emergency brake system uses parts of both the parking and service brake systems.

16. Drivers trapped behind a slow-moving vehicle often:

Follow the vehicle too closely.

Allow the vehicle plenty of space.

Are happy with the speed of travel.

It is common for drivers to tailgate slow-moving vehicles that cannot keep up with the speed of surrounding traffic. If you are being tailgated, allow the other driver to pass your vehicle.

17. Texting while driving is especially dangerous because:

It is both a mental and physical distraction.

A message may be upsetting to the driver.

People like to read and may become too engaged in their phones.

Texting while driving is particularly dangerous because it is both a mental and physical distraction to the driver. In addition to diverting a driver's mental attention away from the road, texting requires a person to remove at least one hand from the vehicle's controls.

18. Brakes out of adjustment will:

Work properly.

Cause some of the brakes to overwork and malfunction.

Allow better acceleration.

Brakes out of adjustment will fade before those that are properly adjusted. Brake adjustment must be checked frequently to help prevent brake issues.

19. Antifreeze helps to keep an engine functioning properly:

But only if it is cold outside.

To be more fuel efficient.

Both when it is cold and hot outside.

It is always important to have enough water and antifreeze in a vehicle's cooling system. Despite the name, antifreeze is beneficial to an engine even in hot weather.

20. To prevent a vehicle from rolling backward when beginning to move forward from a stopped position, you should:

Turn off the engine.

Partly engage the clutch.

Apply the emergency brake.

To prevent a vehicle with manual transmission from rolling backward when you begin to move forward from a stopped position, you can partly engage the clutch before removing your foot from the brake pedal.

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