Knowledge Test Class A #1
Class A Driving Test | Massachusetts 2024 #1 Page 4 of 7
Train for FREE online with our Massachusetts class A license test. 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 class A permit 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 CDL class A requirements may vary from state to state.
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22 . Bent lock rings:
Can lengthen tire life.
Mismatched, bent, or cracked lock rings are dangerous and should not be used.
23 . Cargo on flatbed trailers should be:
Pushed to one side.
On flatbed trailers or trailers without sides, cargo must be tied down to prevent it from shifting or falling off in transit.
24 . An underloaded front axle:
Is discouraged as it can improve fuel efficiency.
Underloading a front axle may make it impossible to safely steer your vehicle. Keep weight distribution in mind when loading cargo.
25 . What is a danger of rolling back when you start to accelerate?
You may lose your position in traffic.
To avoid hitting someone or something behind you, it is important to ensure that your vehicle does not roll backwards when starting from a stop. If your vehicle has a manual transmission, partly engage the clutch before taking your foot off the brake.
26 . How can you prevent drowsiness before a trip?
Schedule long trips at night.
To prevent drowsiness on a long trip, strategies include getting adequate sleep beforehand; planning out the route and stopping points in advance; driving with a passenger; and driving at times during which you are normally awake.
27 . Most heavy-duty vehicles use:
Quadruple air brake systems.
Most heavy-duty vehicles use dual air brake systems. A dual system has two separate air brake systems with a single set of controls.
28 . In bad weather, many drivers:
Like to drive without using their lights.
