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Double Triple Test | Massachusetts 2024 #1 Page 2 of 3
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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8 . Air tanks usually hold enough compressed air:
For an unlimited number of stops.
In an air braking system, the air storage tanks can usually hold enough compressed air for the brakes to be used several times.
9 . When driving a combination rig, following distance should be:
Longer than when driving a single vehicle.
In comparison to driving a single vehicle, you should maintain an extended following distance when driving a combination rig. Combinations require longer stopping distances than smaller vehicles.
10 . If your tractor is equipped with ABS but your trailer is not, the ABS:
Will allow others to see when you brake.
In a tractor-trailer combination, if the tractor is equipped with an Anti-Lock Braking System (ABS) but the trailer is not, the ABS will still improve the driver's steering control. The driver should keep an eye on the trailer and let up on the brakes if the trailer begins to swing out.
11 . Which of the following is not a sign of bad brake drums or shoes?
Shoes that are not covered in brake fluid
Potential problems to check for when inspecting brakes include cracked drums; shoes or pads with oil, grease, or brake fluid on them; and shoes that are missing, broken, or worn dangerously thin.
12 . Glad hands are:
Pleased drivers.
On trailers with air brakes, glad hands are coupling devices used to connect the air lines of the tractor to those of the trailer.
13 . If being tailgated, you should:
Drive on the shoulder.
You may be tailgated when you can't drive fast enough to keep up with other traffic. If a heavy load is slowing you down, stay in the right lane, if possible.
14 . Hydroplaning occurs when:
Front tires have less traction than rear tires.
