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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Michigan 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 Michigan CDL Manual. Take this practice test now to prepare for the actual MI CDL combination test!
1. If the drive wheels begin to spin when accelerating, you should:
brake gently.
take your foot off the accelerator.
continue to accelerate.
2. To reduce the chance of rollover, you should:
place the cargo as high as possible inside the trailer.
distributed the cargo as low as possible inside the trailer.
put the lightest parts of the cargo under the heaviest parts.
3. When backing, as soon as you see the trailer getting off the proper path, you should:
turn the top of the steering wheel in the opposite direction of the drift.
turn the top of the steering wheel in the direction of the drift.
to keep a firm grip on the steering wheel and continue backing.
4. Which of the following makes a rollover more likely?
Weight that is loaded so there is a high center of gravity.
If the load is to one side so it makes a trailer lean.
All of the above.
5. When approaching a stopped bus, you must be aware that:
a student may be driving the bus.
passengers may cross in front of or behind the bus.
passing a stopped bus is illegal.
6. When driving on slippery surfaces, you should:
not pass slower vehicles unless necessary.
make turns as quickly as possible.
change lanes often.
7. You are driving a heavy vehicle with a manual transmission, and you have to stop on the shoulder while driving on an uphill grade. When putting your vehicle back in motion up the grade, you should:
partly engage the clutch before you take your right foot off the brake.
use the parking brake to hold the vehicle until the clutch engages.
shift down to a speed that you can control without using the brakes.
8. If you must make an emergency stop, you should:
use the hand brake before the brake pedal.
brake in a way that will keep your vehicle in a straight line.
apply the brakes as hard as you can to lock them.
9. Most hydraulic brake failures occur for one of two reasons, one of which is:
loss of hydraulic pressure.
relying too much on the engine braking effect.
excessive downshifting.
10. If ABS is not working:
you will still have brakes.
you should use the emergency brake.
you should use the parking brake.
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MI CDL Combination Test

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