FREE MA CDL Doubles Triples Practice Test (2024)

1. If you doubt you have enough space to pass under a bridge, you should:

turn on your 4-way emergency flashers.
drive faster.
go slowly.
turn on your headlights.

2. Who is responsible for inspecting the cargo?

The motor carrier
The driver
The person who loaded and secured the cargo
The shipper

3. The service line is also called:

4. With an engine fire, you should NOT:

shoot foam from the vehicle’s underside.
open the hood.
turn the engine off as soon as possible.
None of the above.

5. When the temperature drops:

bridges will not freeze.
bridges usually freeze after other parts of the roadway.
bridges will freeze before the road will.
None of the above.

6. When checking the engine compartment in a vehicle inspection, you should check all of the following except:

Coolant level in radiator
Windshield washer fluid level
Engine oil level
Shock absorbers

7. Which of the following is not a braking system on a truck?

8. Large vehicles take longer to stop when they are:

empty.
carrying hazardous materials.
fully loaded.
heavily loaded but not fully loaded.

9. Longer combination vehicles have the tendency to swing wide on turns. This is called:

10. Combination vehicles usually require _________ single commercial vehicles.

MASSACHUSETTS DOUBLES TRIPLES PRACTICE CDL TEST