|
Speed your vehicle up.
|
|
|
Slow your vehicle down.
|
|
|
Not impact your speed.
|
Alabama CDL Permit Test - Double
(From the 2021 Alabama CDL driver handbook)
| Number of questions: | 20 |
| Passing score: | 16 |
Directions:
This endorsement is required if the driver will pull two or three trailers. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. To pass, the applicant must answer at least 16 questions correctly. Each question has three or four possible answer choices. Test questions come from the Alabama Commercial Driver License Manual. Questions come from chapters covering: Driving Safely, Air Brakes (if applicable), Combination Vehicles and Doubles and Triples. The Double/Triple endorsement can be used with the Class A CDL.
Passing grade —
4 or fewer errors
advertising
1.
On any upgrade, gravity will:
2.
How does doubling your speed from 20 mph to 40 mph affect your vehicle's braking distance?
|
It stays about the same.
|
|
|
It increases slightly.
|
|
|
It doubles.
|
|
|
It quadruples.
|
3.
Dollies equipped with ABS are required to have malfunction lamps located where?
|
On the rear
|
|
|
On the left side
|
|
|
On the front
|
|
|
On the top
|
4.
If using air tanks with manually operated drains, how often should you drain the tanks?
|
Every day
|
|
|
Once a week
|
|
|
Once a month
|
|
|
Once every 3,000 miles
|
5.
If an aggressive driver is involved in a crash down the road, you should:
|
Pull over and yell at them.
|
|
|
Stop after the crash scene and report the other driver’s behavior to police.
|
|
|
Block the driver in with your vehicle.
|
6.
A distracted driver:
|
Usually reacts well to hazards.
|
|
|
Usually has slowed perception.
|
|
|
Is usually aware of what is happening around them.
|
|
|
Is a good person to follow.
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7.
Before driving a vehicle with air brakes, you should ensure that the ____ come on automatically when air pressure falls below 45 psi.
|
Spring brakes
|
|
|
Parking brakes
|
|
|
Air brakes
|
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