NEW JERSEY CDL COMBINATION PRACTICE TEST
11.
When checking your tires during a pre-trip inspection, which of the following is acceptable?
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Mismatched sizes
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Dual tires that come in contact with parts of the vehicle
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Tires made by different manufacturers
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Cracks in the tires
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12.
When should you use the hand valve to park a combination vehicle?
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When parking downhill.
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Never.
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To park at loading docks.
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Always.
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13.
The two most important things that a driver can do to prevent a rollover when driving a combination vehicle are:
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Keeping cargo near center of vehicle and driving slowly on the highway
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Keeping cargo near the center of the vehicle and driving slowly on turns
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Keeping cargo near the ground and driving slowly on the highway
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Driving slowly around turns and keeping the cargo as close to the ground as possible
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14.
Blocking _______________ to keep it from sliding.
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is used in the front, back, and/or sides of a piece of cargo
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is used only in the back of a piece of cargo
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goes from the upper part of the cargo to the floor
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None of the above.
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15.
When should you use chocks to park a trailer without spring brakes?
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Always
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Only when parking downhill
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Only when parking uphill
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Never
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16.
Rollovers happen when drivers:
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brake too hard.
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turn too slowly.
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stop too often.
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turn too fast.
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17.
Longer combination vehicles have the tendency to swing wide on turns. This is called:
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off-tracking.
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hydroplaning.
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jackknifing.
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rollover.
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18.
When backing a trailer, you should:
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try to position your vehicle so you can back in a straight line.
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never make pull-ups to reposition your vehicle.
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turn the steering wheel in the direction you want to go.
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avoid correcting the drift.
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19.
If your vehicle has dummy couplers, why should you use them when the air lines are not connected to a trailer?
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To prevent overheating.
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To prevent water and dirt from getting into the coupler and the air lines.
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To prevent freezing of the washer liquid.
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Because if you don't, you will never build system pressure.
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20.
The posted speed limit:
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should never be exceeded.
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may only be exceeded when driving in rural areas.
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is only a suggestion.
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should only be exceeded when passing other vehicles.
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