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Driving Test
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Driving Test
Michigan
Michigan CDL Combination 2
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Q.1
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The service air line is often controlled by the foot brake and is attached to the ____ valves.
Relay
Supply
Emergency
Q.2
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More than half of all accident-related truck driver deaths are caused by:
Rollovers.
Slippery roads.
Other drivers.
Q.3
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If an air supply control is in its "emergency" position:
The vehicle will increase speed.
The trailer emergency brakes will be applied.
The air supply to the trailer will increase.
Q.4
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In a double or triple combination, the ____ trailer should be directly behind the cab.
Lightest
Heaviest
Smallest
Q.5
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Keeping cargo low can:
Prevent a rollover.
Help you drive faster.
Make turns more dangerous.
Q.6
Submit
Combination vehicles need extra space on the road because they:
Drive more slowly than other commercial motor vehicles.
Are heavier than other commercial motor vehicles.
Need more space to turn and stop than other commercial motor vehicles.
Q.7
Submit
How much space should be between the upper and lower fifth wheel?
About five inches of space
A maximum of two inches of space
No space
Q.8
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The trailer hand valve:
Should always be used for parking.
Should only be used for parking on a downgrade.
Should never be used for parking.
Q.9
Submit
All trailers made after ____ must be equipped with Anti-Lock Braking Systems (ABS).
1943
1998
2009
Q.10
Submit
The best way to recognize that your trailer has started to skid is by:
Seeing other drivers' faces.
Checking the trailer in your mirrors.
Feeling the trailer move.
Q.11
Submit
The trailer hand valve should not be used while you are driving because:
It will disconnect from the vehicle.
You will stop the vehicle too quickly.
It can cause a skid.
Q.12
Submit
Place the trailer air supply control in its "emergency" position to test:
The trailer emergency brakes.
A coupling device.
The anti-lock brakes.
Q.13
Submit
What is a bobtail tractor?
A tractor without a trailer
A tractor attached to two trailers
A tractor with a tank
Q.14
Submit
Rollovers happen when:
You drive too slowly.
You are stopped.
You take a turn too fast.
Q.15
Submit
Maintain a following distance of at least ____ for every 10 feet of your vehicle if you are traveling at a speed under 40 mph.
One second
Two seconds
Three seconds
Q.16
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If a trailer begins to jackknife, the driver:
Should not apply the trailer hand brake.
Should firmly apply the brakes.
Can straighten the trailer with the parking brake.
Q.17
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Which of the following will not help prevent a rig from rolling over?
Keeping the cargo as close to the ground as possible
Driving slowly around turns
Driving on the shoulder of a road
Q.18
Submit
To find out if a vehicle that was built before 1998 has an Anti-Lock Braking System (ABS), you can:
Pump the air brakes to activate the ABS.
Look into the back of the fifth wheel.
Check for wheel speed sensors coming from the back of the brakes.
Q.19
Submit
Keeping cargo centered on a rig can:
Help you drive faster.
Prevent a rollover.
Make turns more dangerous.
Q.20
Submit
Operating combination vehicles usually requires ____ operating single vehicles.
Less skill than
About the same level of skill as
More skill than
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