CDL General Knowledge Quiz and Flashcards Set 7

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Questions and Answers

If your brakes get wet while driving on a rainy day, what can happen when you apply the brakes?

Hydroplaning

Trailer Jackknife (correct)

Excessive brake wear

Which of these is a danger of crossing railroad tracks on dirt roads?

Your tires could sink into the dirt and not cross the tracks

The ground underneath the tracks may not be stable

You could get hung up halfway across the tracks (correct)

A key principle to remember about loading cargo is to keep the load:

To the front

To the rear

Balanced in the cargo area (correct)

Containerized loads:

Are generally used for freight carried part way by rail or ship Signup and view all the answers

Can federal inspectors inspect your truck or bus?

Yes, and they can place it out of service Signup and view all the answers

Which of these is NOT required knowledge for drivers needing HAZMAT endorsement?

Basic chemistry Signup and view all the answers

When driving on grades, which of these is the best choice for a safe speed?

Based on your vehicle and its cargo, select a speed that is safe within the posted limit Signup and view all the answers

Trucks and buses are subject to certain laws, restrictions, and regulations. Which of these statements is true?

Laws and restrictions can vary from place to place Signup and view all the answers

When a doctor prescribes medication for you and you know you will be driving, you should:

Ask the doctor if the medication will affect your ability to drive Signup and view all the answers

You should schedule your driving:

For the hours you are normally awake Signup and view all the answers

Stab braking should not be used on vehicles with:

Anti-lock brakes Signup and view all the answers

If you do not have a CB radio, what is the first thing you should do at an accident scene?

Protect the accident scene Signup and view all the answers

When driving in cold weather conditions, your tire tread should:

Provide enough traction to steer and push the vehicle through snow Signup and view all the answers

When you are passing another vehicle, pedestrian, or bicyclist you should assume that they:

May move into your traffic lane Signup and view all the answers

Which of the following cannot be checked at the same time:

Brake lights, flashers, and turn signals Signup and view all the answers

Study Notes

Dangerous Situations

Wet brakes during rain can lead to hydroplaning, excessive brake wear, or trailer jackknife incidents.
Crossing railroad tracks on dirt roads may result in getting hung up halfway, unstable ground, or sinking tires.

Cargo Loading Guidelines

Maintaining a balanced load in the cargo area is crucial for stability.
Containerized loads are typically used for freight transported partway by rail or ship and come with specific tie-down devices.

Federal Regulations and Inspections

Federal inspectors have the authority to inspect trucks or buses and can place vehicles out of service if necessary.
Knowledge of HAZMAT regulations does not require basic chemistry but includes understanding when to use placards and which products can be loaded together.

Safe Driving Practices

When driving on grades, choose a speed that is safe based on the vehicle and its cargo, within posted limits.
Schedule driving hours during times when you are normally awake to ensure alertness.

Health and Medication Concerns

It is essential to consult a doctor about any prescribed medication that may affect driving ability.

Vehicle Control Techniques

Avoid using stab braking on vehicles equipped with anti-lock brakes to maintain better control.

Accident Scene Protocol

In the absence of a CB radio, protect the accident scene as the first step when arriving at an accident site.

Tire and Weather Considerations

Ensure tires have adequate tread, with at least 4/32 inch in cold weather, to maintain traction for steering and moving through snow.

Awareness While Driving

While passing other road users, assume they may move into your lane unexpectedly.

Running Vehicle Light Checks

Certain vehicle light checks cannot be performed simultaneously; specifically, brake lights, flashers, and turn signals should be checked at different times for accuracy.

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Description

Test your knowledge on critical driving concepts with this set of flashcards focused on general knowledge for Commercial Driver's License (CDL) preparation. Learn about potential dangers while driving, such as wet brakes and crossing railroad tracks. Enhance your understanding to ensure safe driving practices.