CDL Doubles Triples Practice Test (2024) - FREE California CDL Test

1. Air tank drains:

protect the tanks and the rest of the system from too much pressure.
should not be used in wet weather.
are used to remove water and oil from the air tanks.

2. Doubles/triples are:

usually faster than most CMVs.
less stable than other CMVs.
easier to drive than other CMVs.

3. Engine oil pressure should come up to normal within _________ after the engine is started.

4. Tire load is defined as:

the weight transmitted to the ground by 1 tire.
the minimum safe weight a tire can carry at a specified pressure.
the maximum safe weight a tire can carry at a specified pressure.

5. Which of the following is not proper tie-down equipment:

6. When the temperature drops:

bridges will freeze before the road will.
bridges will not freeze.
bridges usually freeze after other parts of the roadway.

7. In a dual air brake system, if one air system is very low on pressure:

you should pump the brakes to restore pressure.
either the front or rear brakes will not be operating fully.
you should drive and brake as you always have.

8. If you are feeling sleepy, you should:

slow down and drive on the shoulder of the road.
increase your speed to get to the destination quicker.
pull off the road and rest or take a nap.

9. Why should you cover your cargo?

To protect people from spilled cargo.
To protect the cargo from weather.
All of the above.

10. To prevent a rollover, the driver should:

make quick lane changes if possible.
drive slowly around corners, on ramps, and off ramps.
drive on the shoulder if possible.

CA CDL DOUBLES TRIPLES TEST - PRACTICE TEST