California DMV Cdl Practice General Knowledge Test A Page 4 of 7

All CDL candidates are required to take the CDL general knowledge test. The CDL test in California consists of 50 questions. To pass, you must answer at least 40 questions properly (80 percent ). The California CDL Manual is covered in the general knowledge.. Read More

All CDL candidates are required to take the CDL general knowledge test. The CDL test in California consists of 50 questions. To pass, you must answer at least 40 questions properly (80 percent ). The California CDL Manual is covered in the general knowledge test. All CDL candidates (Class A, B, and C) must complete the following courses: Driving Safely, Transporting Cargo Safely, Air Brakes (if you want to drive vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, and Road Test.

In addition, questions from the Combination Vehicles section will be included on the Class A CDL test. Take this CDL practise test right now to get ready for the real CA general knowledge exam! You must pass both the knowledge and skills examinations to obtain your CDL. General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, and Firefighter are all CDL knowledge examinations. You must pass one or more knowledge examinations depending on the kind of licence (A, B, or C) and endorsements you require. Certain types of automobiles also need a particular endorsement. With a Class A, B, or C CDL, you can utilise the following endorsements: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X), and Passenger Transport (P). The School Bus endorsement (S) is only available with a Class A or B CDL, while the Doubles/Triples endorsement (T) is only available with a Class A CDL.

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22 . Operating a commercial motor vehicle with a minimum blood alcohol content (BAC) of ____ is illegal.

In California, it is illegal to operate a commercial motor vehicle with a blood alcohol concentration (BAC) of 0.04 percent or higher. Driving under the influence of alcohol is both illegal and extremely dangerous.

23 . Before starting down a hill, be sure to:

Before starting down a hill, be sure to switch into a low gear. Gravity will increase your vehicle's speed as you travel downhill.

24 . In hot weather, spots on the pavement where tar is bleeding:

Tar in road pavement often rises to the surface of the road, or "bleeds," in very hot weather. Watch for such areas because they can be very slippery.

25 . In cool weather, as the temperature begins to rise and ice begins to melt:

As the temperature begins to rise and ice on the road begins to melt, the road surface will often become even more slippery. Water from the slight melting will sit on top of the ice, decreasing the available traction even more. Always decrease your speed and drive with caution when traveling on slippery surfaces.

26 . The leakage rate for a single vehicle with air brakes should be no more than ____ in one minute during a static leakage test.

When performing a static leakage test on a single vehicle with air brakes, the leakage rate should be no more than 2 psi in a minute. If the air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.

27 . When an S-cam turns inside a brake drum, the S-cam:

When a brake pedal is pressed and the S-cam is turned, the S-cam presses the brake shoes against the inside of the brake drum. This causes friction and will cause the vehicle to slow.

28 . To avoid a hazard, you:

Stopping is not always the best way to avoid a hazard. If there is not enough space for you to stop to avoid coming into contact with the hazard, swerving out of the way may be your safest option.

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2024 California | Frequently Asked Questions

To obtain a CDL Tank endorsement in California, you must first have a Commercial Driver's License (CDL). Then, study the California CDL handbook's section on Tank Vehicles to prepare for the written test. Schedule and pass the written test at your local DMV. Once passed, you'll receive your Tank endorsement, allowing you to drive commercial tank vehicles.
To obtain a CDL Tank license, it's essential to first have a Commercial Driver's License (CDL). You must also study the tank vehicle section of the CDL handbook, pass a written test specific to tank vehicles, and pay the required fees. Knowledge of inspection procedures, driving techniques, and handling emergencies is crucial.
While California doesn't specifically mandate training or experience for a CDL Tank endorsement, it's highly recommended. Understanding the operation of tank vehicles, safety procedures, and how to handle emergencies is crucial. Studying the tank vehicle section of the CDL handbook and gaining practical experience will greatly improve your chances of passing the endorsement test.
Yes, to obtain a CDL Tank endorsement in California, you must pass the Tank Vehicle endorsement test. This written exam covers topics such as the inspection of tank vehicles, driving tank vehicles, and safe driving rules. It's an additional test beyond the general CDL exam and is required for the endorsement.
The written test for a CDL Tank endorsement covers subjects such as inspecting tank vehicles, safe driving for tank vehicles, and handling emergencies. This includes understanding the high center of gravity in these vehicles, the impact of liquid surge on vehicle control, and procedures for loading and unloading. Knowledge of specialized laws relating to tank vehicles is also tested.
The CDL Tank endorsement assessment doesn't involve a specific skills test or maneuvers like the basic CDL exam. Instead, it focuses on a written test that assesses your understanding of tank vehicle operations. This includes knowledge of safe driving techniques, handling liquid surge, emergency procedures, and how to properly inspect and maintain tank vehicles.
Yes, drivers with a CDL Tank endorsement must follow specific rules. These include weight restrictions for the vehicle, following hours of service regulations, and restrictions on hazardous materials transport if the driver doesn't hold a Hazmat endorsement. Violations can lead to CDL disqualification. It's crucial to understand and follow these regulations to maintain the endorsement.
No, drivers cannot transport liquid or gas materials without a valid CDL Tank endorsement. This endorsement is required for operating a commercial vehicle that is designed to transport any liquid or gaseous materials within a tank or tanks having an individual rated capacity of more than 119 gallons and an aggregate rated capacity of 1,000 gallons or more.
The CDL Tank endorsement can be added to your existing CDL. You don't need to apply for a new license. However, you will need to pass the Tank Vehicle written knowledge test. Once you pass, the Tank endorsement will be added to your current CDL, expanding the types of vehicles you're authorized to drive.
Yes, to handle hazardous materials with a CDL Tank endorsement, you must also have a Hazardous Materials (Hazmat) endorsement. This requires passing an additional written test and a Transportation Security Administration background check. It ensures drivers understand safety protocols for handling hazardous materials, reducing the risk of incidents.

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