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CDL DOUBLES PRACTICE TEST HAWAII

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Safely pulling double and triple trailers requires knowledge and skill. If you want to pull double or triple trailers, you must add the Doubles/Triples (T) endorsement to your Class A CDL. The Hawaii doubles triples test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The HI CDL doubles triples test covers the following sections of the Hawaii CDL Manual: Driving Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Combination Vehicles, Doubles and Triples. Take this HI CDL practice test now to prepare for the actual test!
1. When making a turn you should:
signal early.
make gestures to get the attention of other drivers.
honk your horn.
2. The earliest way to recognize that your trailer has started to skid is:
by checking your mirrors.
by checking theĀ jackknife sensor.
by releasing the brakes.
3. Which of the following is NOT correct? Anti-lock brakes:
require drivers to apply the brakes as hard as they can without locking the wheels.
give drivers more control over the vehicle during braking.
help drivers avoid skids caused by over braking.
4. A trailer jackknife is more likely to happen when the trailer is:
overloaded.
empty.
loaded to its full capacity.
5. If the air compressor is belt-driven, you should check the air compressor drive belt before each trip. The belt should be:
loose.
tight.
cracked.
6. Combination vehicles have __ air lines.
3
1
2
7. Containerized loads are used:
when transporting liquids.
when the cargo has been or will be carried by rail or ship.
when the cargo exceeds the weight limit.
8. When inspecting the coupling, make sure the fifth-wheel jaws have closed around the:
shank of the kingpin.
the electrical cord.
head of the kingpin.
9. If a trailer does not have spring brakes, to keep the trailer from moving you should:
use wheel chocks.
park on a slight decline.
use theĀ service brakes.
10. If a vehicle is equipped with ABS, when you start the engine:
the spring brakes will come on.
the ABS indicator light on the dash should come on and then turn off.
the wheels will lock up.
 
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HI CDL Doubles Triples Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
Number of questions: 20
Correct answers to pass:16
Passing score:80%
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