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Driving Test
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Driving Test
Ohio
Ohio CDL Combination 2
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Q.1
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Operating combination vehicles usually requires ____ operating single vehicles.
Less skill than
About the same level of skill as
More skill than
Q.2
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During a trip, landing gear should be:
Completely raised.
Completely lowered.
Skimming the pavement.
Q.3
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In a double or triple combination, the ____ trailer should be directly behind the cab.
Lightest
Heaviest
Smallest
Q.4
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Trailers with low underneath clearance can present challenges when driving over:
Bridges.
Railroad tracks.
Overpasses.
Q.5
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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.6
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During a trip, the ____ should be open.
Rear service line shut-off valve
Rear supply line shut-off valve
Inner shut-off valves
Q.7
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The trailer hand valve should be used:
To accelerate.
To test the trailer brakes.
To check the connection between the trailer and tractor.
Q.8
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What is a bobtail tractor?
A tractor without a trailer
A tractor attached to two trailers
A tractor with a tank
Q.9
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What is a bobtail tractor?
A tractor without a semi-trailer
A tractor with two semi-trailers
A tractor that travels faster than the speed limit
Q.10
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When connecting a converter dolly to a second trailer, the trailer height should be ____ the center of the fifth wheel.
Level with
Slightly higher than
Slightly lower than
Q.11
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Shut-off valves:
Prevent air from escaping air brake systems.
Prevent air from entering air brake systems.
Override vehicles that are out of control.
Q.12
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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.13
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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.14
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Look into the back of the fifth wheel:
While testing your air brakes.
If your vehicle begins to skid.
When inspecting a coupling.
Q.15
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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.16
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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.17
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A trailer that is too high:
May not couple correctly.
Will couple securely.
Is not an issue.
Q.18
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The ____ trailer is the most likely to turn over if a driver takes a turn too quickly.
Front
Last
Middle
Q.19
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If you must cross traffic while driving a combination vehicle, you should:
Assume other drivers will make room for your vehicle.
Wait for a gap large enough for your vehicle to safely cross.
Rely only on your mirrors.
Q.20
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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.
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