CDL Requirements
What is the minimum age to get a CDL in MN?
18 years old.
What might happen if cargo is not loaded correctly?
The truck could go out of control or crash.
What should you always wear when driving?
A seatbelt.
Why is a vehicle inspection required before a trip?
To ensure the vehicle is safe to drive.
Air brakes are powered by what device?
The compressor.
What does GVWR stand for?
Gross Vehicle Weight Rating
How often should you check cargo after starting a trip?
Which is the correct way to turn? Button hook or jug handle?
Button hook. Pull into the intersection, then turn into the closest lane. A jug handle turn means you pull into oncoming traffic to make a wide turn.
What should you check on the tires?
Any: Tread, air pressure, any damage.
What does the air compressor governor do?
Controls when air is pumped into the storage tanks.
What is the difference between a Class A and Class B commercial license?
A class A is for driving commercial vehicles and a class B is for driving commercial vehicles WITH passengers.
How many tie-down straps do you need for a 40 foot vehicle?
4
What should you do if the low air pressure warning light comes on?
Stop and check the air system immediately.
What is the minimum tread depth for the front tires?
4/32 of an inch.
When should you drain air tanks?
At the end of each day or trip.
What is one requirement besides a permit for getting a CDL?
Any: 18 or older, clean driving record, medical exam (healthy).
How would you load a truck for safety using the center of gravity?
Any: pack heavy things on the bottom, pack towards the middle, don't overload the truck.
What type of lights do you use in fog?
Low beams.
What mechanical system is affected if you have a broken leaf spring?
The suspension.
What is a spring brake?
A safety brake locking mechanism that engages when air pressure is below 40 psi.
What is one skill requirement in the CDL road skills exam?
Any: Pre-trip inspection, controlling the vehicle, backing up.
What might happen if cargo is loaded too high?
The truck might tip and roll over.
What is one way to stay safe when driving at night?
Any: Be well-rested, turn high-beams down for oncoming traffic, look at the white sideline to avoid glare, slow down and allow time to stop in emergencies.
What are three emergency items every vehicle must have?
A fire extinguisher, fuses, and 3 warning triangles.
What is one brake gauge test you need to do prior to driving?
Any: Check for low or high pressure, test safety brake (spring brake), check air pressure leaking and refill rates