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Maine CDL General Knowledge questions well answered
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Maine CDL General KnowledgeWhat is most important hand signal you should agree on with a helper? - correct answer ✔✔Stop
What is a common cause of tire fires? - correct answer ✔✔Under inflated Tires
Which of the following statements about retarders are correct? - correct answer ✔✔While retarders can
help reduce the need for braking, they can make a skid more likely in inclement weather or whenever
your wheels have poor traction. Therefore, you should always turn off your retarders in poor weather.
How can you start moving without rolling backward? - correct answer ✔✔Put the parking break
whenever necessary, engage the clutch before removing your foot from the break and apply the hand
valve.
How long does it take a typical tractor-trailer to clear a double railroad track? - correct answer ✔✔More
than 15 seconds.
Why should put the starter switch key into your pocket while you perform the pre-trip inspection? -
correct answer ✔✔Someone could start and move the truck.
For how long will you lose your CDL driving privileges if you are convicted of a second DUI offense in
either a CMV or your private vehicle? - correct answer ✔✔For life.
If you are traveling at 55 mph in a 30-foot vehicle, you should leave how many seconds of following
distance? - correct answer ✔✔4 seconds.
Starting the engine and inspecting the cab involves each of the following tasks, except what? - correct
answer ✔✔Starting the engine, then putting the gear shift in neutral.
What is the definition of a hazard? - correct answer ✔✔Any road condition or road user that is a
potential danger.
, What should inspect wheel bearing seals for? - correct answer ✔✔Leaks
What is the gross vehicle weight (GVW)? - correct answer ✔✔The total weight of a single vehicle and its
load.
Which of the following is NOT something you should check during a trip? - correct answer ✔✔Text
Messages/Phone
To transport cargo safely, which of these are you NOT responsible for? - correct answer ✔✔Ensuring the
freshness of sealed cargo.
How often must you stop to check your cargo while on the road? - correct answer ✔✔You should check
your cargo within the first 50 miles of your trip and then every 3 hours or 150 miles, as well as after each
break you take.
It has just reached freezing. Which of the following areas may be slippery? - correct answer ✔✔The first
to freeze will be shaded areas, bridges and roads that look wet.
What is the best way to figure out how many seconds of following distance you have? - correct answer
✔✔Count how many seconds it takes you to reach some object after the vehicle in front of you has
passed it.
Minimum tread depth for front tires is - correct answer ✔✔4/32 inch
On wet roads, you should reduce your speed by how much? - correct answer ✔✔One-third
What can you do at an accident scene to help avoid another accident? - correct answer ✔✔Set out your
warning devices as quickly as possible to avoid further accidents such as a pile-up.
Why do you Always try to back toward the driver's side? - correct answer ✔✔You will be able to see
things much more easily.
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