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HAWAII CDL COMBINATION PRACTICE TEST

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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Hawaii CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the Hawaii CDL Manual. Take this practice test now to prepare for the actual HI CDL combination test!
1. To be in the proper position for coupling, the fifth wheel should:
tilted up towards the rear of the tractor.
be tilted down towards the rear of the tractor.
have its jaws closed around the shank of the kingpin.
2. When you are driving on a slippery road, you should NOT:
adjust turning and braking to road conditions.
keep a longer following distance.
use the engine brake or speed retarder.
3. The heavier the vehicle:
the higher the center of gravity will be.
the less work the brakes must do to stop it.
the more work the brakes must do to stop it.
4. When backing a tractor under a trailer:
the fifth-wheel will come out from under the trailer.
the end of the kingpin will be even with the top of the fifth wheel.
the trailer will be lifted slightly when the tractor backs under it.
5. 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.
6. An Anti-lock Braking System (ABS):
keeps your wheels from locking up when you brake hard.
lets you drive faster.
increases your normal braking capability.
7. Rollovers happen when drivers:
turn too slowly.
brake too hard.
turn too fast.
8. Most truck driver deaths in crashes result from:
truck rollovers.
off-tracking.
driving side-by-side with another truck.
9. Overloading a vehicle with cargo can have negative effects on all of the following except:
Steering
Weight limits
Braking
10. If the safety relief valve in the air brake system releases air:
something is wrong.
the valve is fully operational.
this will supply more power to the brakes.
 
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CDL Combination Test (HI)

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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