CDL Doubles Triples Practice Test (2024)

1. If the low air pressure warning light comes on, you should:

2. If there is a fire and you are not sure what to use to put it out, you should:

3. Doubles and triples are:

less likely to turn over than other combination vehicles.
easier to drive than other combination vehicles.
more likely to turn over than other combination vehicles because of the "crack-the-whip" effect.

4. Foundation brakes are used:

5. Pre-trip inspections of doubles and triples should:

take more time than inspecting straight trucks.
take less time than inspecting straight trucks.
be done by the shipper.

6. When going down grades, you should:

downshift to a lower gear.
put the transmission in Neutral.
shift up.

7. When conducting a pre-trip inspection:

you should review the last vehicle inspection report.
the inspection report should only be reviewed if you will be carrying passengers.
the vehicle inspection report should not be reviewed unless your supervisor tells you to do so.

8. Dollies with ABS are required to have a malfunction lamp:

9. When backing, it is best to:

try to back in the direction of the drift.
use a helper whenever possible.
use only the passenger's side mirror.

10. Which of the following is NOT correct? Anti-lock brakes:

give drivers more control over the vehicle during braking.
require drivers to apply the brakes as hard as they can without locking the wheels.
help drivers avoid skids caused by over braking.

VT CDL DOUBLES TRIPLES TEST - PRACTICE TEST