When stopping, apply gradual pressure to the brake pedal and stop smoothly. If stopping a manual transmission vehicle, push the clutch in when the engine is close to idle.

Push the clutch in when the engine is close to idle.

Push the clutch out when the engine is close to idle.

Shift into neutral when the engine is close to idle.

When using your turn signals, you should signal well before the turn or lane change, signal continuously throughout the turn or lane change, and cancel the signal after you have completed your move.

Don’t over-signal. If no one is near you, there is no need to signal.

Signal early. Signal well before a turn or lane change.

Signal continuously. Do not cancel a signal until the turn is completed.

Don’t over-signal. If no one is near you, there is no need to signal.

Missing clamps, spacers, studs, or lugs are dangerous, as are mismatched, bent, or cracked lock rings. Be sure your tires and rims are in good condition before operating your commercial motor vehicle.

A missing clamp on a rim is dangerous and should be corrected.

It is safe to drive on a tire that is missing one or two lug nuts.

A cracked lock ring on a rim is safe if you are not driving faster than 55 mph.

A missing clamp on a rim is dangerous and should be corrected.

Class B Driving Test | California 2025 #1 Page 4 of 7

Train for FREE online with our California class B license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a CA CDL class B permit in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class B requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

Class B Driving Test | California 2025 #1 Page 4 of 7

22 . When stopping a manual transmission vehicle, you should:

23 . Which of the following is not a good rule when using turn signals?

24 . During a walk-around inspection, ensure there are no cracks on the brake drums that are more than ____ of the width of the friction area.

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

26 . Which of the following is true?

27 . An air brake-equipped vehicle traveling at a speed of 55 mph under ideal driving conditions will need approximately ____ to come to a complete stop.

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

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