meta-pixelHow close must the vehicle be from the simulated dock in the "backing into alley dock" maneuver, during your skills test?
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Question:

How close must the vehicle be from the simulated dock in the "backing into alley dock" maneuver, during your skills test?

Answer: No more than 36 inches

Explanation
As part of your skills test, you will be asked to simulate backing into an alley with your vehicle's trailer in a square position, with your rear-most bumper no more than 3 feet from the simulated dock. You will only be allowed three attempts, so make sure that you practice.
This question is in Section 1: General Knowledge of our CDL Test Guide. Explore now!
Related Question

Question: What is the punishment for using a commercial vehicle for a felony involving the transportation of controlled substances (drugs)?

Lifetime disqualification

If you are convicted of using a commercial vehicle for a felony involving the transportation of drugs, you will never be allowed to hold a CDL again. This is in addition to all other legal and civil sanctions you will face.

Question: When getting in to start the engine and inspect inside the cab, you must

1. make sure the parking brake is on and put the gearshift in neutral (or park if automatic).

2. start the engine and listen for unusual noises.

3. Both of the above

Both of the above

Question: Your bus is disabled. The bus, with riders aboard, may be towed or pushed to a safe place only:

If getting off the bus would be more risky for the riders.

Question: Spring brakes are

1. made up of powerful springs that are held in back by air pressure while you are driving.

2. not going to have full effect until your psi drops to a certain range--often 20 to 30 psi.

3. brakes that come on automatically on a truck or tractor when the psi drops too low.

4. All of the above.

All of the above.

Spring brakes are an important "back-up system"--powerful springs that put brakes on if they sense that the air pressure has been lost for some reason, such as with a leak. They will also come on automatically if the psi gets too low, though ideally you should take control of your brakes before the situation reaches this point.

Question: Which of the statements about tank vehicles is true?

The posted speed for a curve may be too fast for a tank vehicle.

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