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The CDL general knowledge test is required to be taken by all CDL applicants. The Hawaii CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the Hawaii CDL Manual. All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual HI general knowledge test! To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
1. You should signal your intention to turn at least ____ before turning or changing lanes.
250 feet
100 feet
50 feet
2. Black ice:
is thick enough that it makes the road look wet.
is a thin layer that is clear enough that you can see the road underneath it.
is thick enough that it makes the road look dry.
3. If you perform the skills test in a vehicle that is not equipped with air brakes:
you will be required to operate vehicles with air brakes.
you will be required to take the tank vehicle test.
you will be restricted from operating vehicles with air brakes.
4. If the ABS is not working:
you should immediately reduce your speed.
the truck will have no brakes.
the truck will still have normal brakes.
5. A hazard is:
Any road user or road condition that is a possible danger.
A dangerous material.
Something you can easily avoid.
6. Placards must be placed:
on the front, rear and both sides of the vehicle.
on the front only.
on the rear only.
7. When using double clutching to shift gears, if you are having difficulty putting the vehicle into the next gear you should:
force the lever until you put the vehicle into the next gear.
reduce the engine speed to drop back to the previous gear.
return to neutral, release the clutch, increase the engine speed to match the road speed, and try again.
8. You should carefully check for traffic:
When approaching a curve.
When driving through an intersection.
All of the above.
9. When you are driving in heavy traffic, the safest thing to do is to:
drive 10 mph below the speed limit.
drive at the speed of other traffic (without going at an illegal or unsafe speed).
drive 10 mph below the speed of other traffic.
10. If your brakes fail on a steep mountain downgrade, you should:
slow down until your vehicle comes to a complete stop.
stay on the road and keep looking for the next available escape ramp.
decide what to do as soon as you know your brakes do not work.
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HI CDL Practice Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
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