|
Because the air gets old and needs to be replaced
|
|
|
Because compressed air contains some water and the water collects in the tanks
|
|
|
To allow for a change in pressure
|
Hawaii CDL Permit Test - Knowledge Test Class B
(From the 2020 Hawaii CDL driver handbook)
| Number of questions: | 50 |
| Passing score: | 40 |
Directions:
This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has three possible answer choices. Test questions come from the Hawaii Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
Passing grade —
10 or fewer errors
advertising
1.
Why should you regularly drain the air tanks?
2.
When turning, when should the turn signal be canceled?
|
Before entering the turn
|
|
|
During the turn
|
|
|
After the turn is completed
|
3.
If you are confronted by an aggressive driver, you should:
|
Make eye contact.
|
|
|
Ignore their gestures.
|
|
|
Try to race.
|
4.
When taking the basic vehicle control skills test, failing to exit your vehicle properly during any exercise will result in:
|
Failure of only that exercise.
|
|
|
An extra point against your final score.
|
|
|
Automatic failure of the basic vehicle control skills test.
|
5.
Some air brake systems introduce alcohol into the system to:
|
Make the brakes work without squeaking.
|
|
|
Prevent ice from forming in the brake system.
|
|
|
Prevent people from breathing the air from the system.
|
6.
One way to avoid becoming an aggressive driver is to:
|
Talk on your cell phone while driving.
|
|
|
Question others' driving abilities.
|
|
|
Set realistic expectations regarding travel time.
|
7.
If your brakes fail on a downgrade, your best hope to stop is to:
|
Use an escape ramp.
|
|
|
Use the shoulder.
|
|
|
Drift to a stop.
|
Ace Your DMV Written Test
Get your Cheat Sheet Now!
Get your Cheat Sheet Now!
Wait, before you go
Ace your DMV Written Test with our Guaranteed Cheat Sheet.
