Double #1
Double Triple Test | Massachusetts 2024 #1
Train for FREE with our Massachusetts CDL double triple practice test online. 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 MA CDL double triple license in 2024, 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 DMV requirements may vary from state to state.
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1 . To stop a vehicle using air brakes:
The brake knob should be pushed in.
To stop normally in a vehicle with air brakes, press down the brake pedal.
2 . Tires of mismatched sizes:
Improve fuel economy.
Tires on the same vehicle should all be equally sized. Ensure your tires are not mismatched when inspecting your vehicle.
3 . Distracted driving:
Can only be caused by cell phone use.
Distractions while driving can be physical (such as reaching for an object), mental (such as making conversation with a passenger), or both (such as holding a phone to send texts).
4 . A low air pressure warning signal should activate:
When tank pressure falls below 5 psi.
In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
5 . An example of mandatory emergency equipment is:
A supply of fireworks.
Mandatory emergency equipment includes: at least one fire extinguisher; spare electrical fuses (unless the vehicle is equipped with circuit breakers); and warning devices for parked vehicles (such as reflective triangles).
6 . Slippery roadways usually:
Can be avoided by driving at night.
It takes a longer distance to stop a vehicle on a slippery road than it does on a dry road. Use caution when driving under conditions that could cause a road surface to become slippery.
7 . If unsure if a road is becoming icy, a driver can:
Look at a weather forecast.
