Double #1

Double Triple Test | Texas 2024 #1

Train for FREE with our Texas 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 TX CDL double triple license in 2024, practice as much as..

Train for FREE with our Texas 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 TX 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 . ____ are the cause of more than half of all accident-related truck driver deaths.

Pedestrians More than half of all accident-related truck driver deaths are a result of truck rollovers. To help prevent a rollover, be sure to load cargo low to the ground and centered on your rig. Take corners slowly and carefully.

2 . If you plan to slow down, you can warn drivers behind you by:

Putting your hand out the driver's side window and waving. Before slowing down, it is a good idea to flash your brake lights by lightly tapping your brake pedal a few times. This will warn drivers behind you of your plans to slow down.

3 . To test the trailer service brakes, you should:

Move the vehicle forward slowly and apply the brakes with the hand control. To test the trailer service brakes, you should first ensure that the braking system has a normal air pressure level, then release the parking brake. You should then move the vehicle forward slowly and apply the brakes with the hand control. If the trailer service brakes are working properly, you will feel the brakes activate.

4 . What does the trailer air supply control look like?

It is a circular orange knob. On newer vehicles, the trailer air supply control is an eight-sided red knob. It's used to control the tractor protection valve.

5 . During a visual check of a coupling, you should make sure:

The pintle hook is detached. When performing a visual check of coupling devices, you should make sure there is no space between the upper and lower fifth wheel. Ensure that the locking jaws are securely closed around the kingpin.

6 . To release a dolly's air brakes before positioning the converter dolly for coupling, you should:

Remove the pintle hook. If a converter dolly has air brakes, you can release the brakes by opening the dolly air tank petcock. Releasing the dolly's brakes is the first step you should take when properly positioning the dolly in front of the rear trailer.

7 . If using air tanks with manually operated drains, how often should you drain the tanks?

Once every 3,000 miles To prevent the build up of oil and water in a vehicle's air tanks, manually operated air tank drains should be used at the end of each day of driving.

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