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The CDL general knowledge test is required to be taken by all CDL applicants. The California CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the California CDL Manual.
All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual CA general knowledge test!
To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
1.
When driving in heavy traffic, the safest speed is:
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the speed of traffic.
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slower than the speed of other traffic.
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the posted speed limit.
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2.
When inspecting a vehicle's suspension, you should look for broken or missing leaves in the leaf springs. If ____ or more are missing, it will put the vehicle out of service.
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25%
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10%
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50%
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3.
To correct a drive-wheel braking skid, you should stop braking and:
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countersteer.
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keep your foot off the clutch.
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accelerate slightly.
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4.
When approaching an emergency vehicle stopped on the side of the road with lights flashing, you should:
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move to the lane not next to that of the emergency vehicle.
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stay in the right lane.
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speed up.
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5.
What is a pull up when referring to truck driving?
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A specific maneuver used to decelerate smoothly in the exit lane.
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A driving maneuver used to pull your vehicle over to the side of the road and stop.
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When a driver stops and pulls forward to get a better position.
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6.
The vehicle inspection report:
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tells the motor carrier about problems that may need fixing.
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ensures that when the driver gets behind the wheel, the mechanic is responsible for the safe operation of the vehicle.
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ensures that vehicle inspections are conducted regularly.
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7.
The header board, if equipped, should:
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not be used in case of a crash or emergency stop.
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block the forward movement of any cargo you carry.
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never be used for cargo.
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8.
Which of the following is not a sign of fatigue?
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Feeling hungry
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Yawning repeatedly
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Daydreaming
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9.
To stay alert and safe while driving, you should:
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avoid any drug that hides fatigue.
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drive at night, if possible.
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drink coffee if you get drowsy.
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10.
Drivers should try to park their vehicle so that:
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they can pull forward when they leave.
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they can do a walk around inspection.
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there is at least one curb next to the vehicle.
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