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Rhode Island
Rhode Island CDL Combination 2
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Q.1
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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.2
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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.3
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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.4
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If you use the trailer hand brake while your trailer is skidding, it will:
Stop the skid.
Straighten the trailer.
Continue the skid.
Q.5
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In an empty combination vehicle, the stiff suspension springs and strong brakes will have:
High traction.
Low traction.
No traction.
Q.6
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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.7
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Keeping cargo low can:
Prevent a rollover.
Help you drive faster.
Make turns more dangerous.
Q.8
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If you cannot reverse your trailer in a straight path, you should:
Swerve back and forth while backing.
Back toward the driver's side.
Back toward the passenger's side.
Q.9
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If the emergency air line loses pressure:
The Anti-Lock Braking System will activate.
The service air line will activate.
The emergency brakes will activate.
Q.10
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A driver should test the tractor protection valve by:
Pulling the yellow, diamond-shaped knob.
Releasing air with the brake pedal.
Unlocking the trailer doors.
Q.11
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If you are backing and the trailer begins to drift off-course, the driver should:
Return the steering wheel to the 12 o’clock position.
Turn the top of the steering wheel in the direction of the drift.
Turn the top of the steering wheel in the direction opposite of the drift.
Q.12
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What does an Anti-Lock Braking System (ABS) do?
It allows a vehicle's wheels to lock up.
It prevents a vehicle's wheels from locking up.
It makes turning a vehicle easier.
Q.13
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If your vehicle gets stuck on railroad tracks, you should:
Sit in the cab and call for help.
Exit the cab and walk away from the tracks.
Motion for another driver to push your vehicle.
Q.14
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If a parked trailer does not have spring brakes, you should keep the trailer from moving by:
Having the vehicle parked against a wall or other vehicle.
Using chock blocks.
Parking on a slight incline.
Q.15
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If color-coded, which color is used to identify emergency, or supply, lines?
White
Yellow
Red
Q.16
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Place the trailer air supply control in its "emergency" position to test:
The trailer emergency brakes.
A coupling device.
The anti-lock brakes.
Q.17
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If a trailer begins to skid, it is best for the driver to:
Release the brakes.
Accelerate.
Quickly turn the steering wheel in one direction, then in the other.
Q.18
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Watching the road ahead:
Is more dangerous than only watching your mirrors.
Does not help you drive more safely.
Can help you avoid the need for sudden lane changes.
Q.19
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When the wheels of a trailer lock up:
The trailer will be drivable.
The trailer may swing around.
The vehicle will maintain steering.
Q.20
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The ____ trailer is the most likely to turn over if a driver takes a turn too quickly.
Front
Last
Middle
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