CDL DOUBLES TRIPLES PRACTICE TEST MAINE
11.
An item that is 15 feet long placed on a flatbed trailer should have at least:
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3 tie-downs.
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2 tie-downs.
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1 tie-down.
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12.
The trailer hand valve should:
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be used in driving.
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never be used to test the trailer brakes.
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never be used for parking.
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13.
Before driving a vehicle with a dual air system, allow time for the air compressor to build up a minimum of ____ pressure in both the primary and secondary systems.
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75 psi
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100 psi
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50 psi
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14.
Which of the following is not proper tie-down equipment:
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Bungee cords
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Chains
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Ropes
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15.
Texting is:
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safer than talking on a cell phone.
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the most dangerous distraction.
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about as safe as adjusting the radio.
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16.
A trailer jackknife is more likely to happen when the trailer is:
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overloaded.
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loaded to its full capacity.
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empty.
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17.
What is Gross Vehicle Weight?
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The total weight of a single vehicle, excluding its load
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The total weight of the cargo
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The total weight of a single vehicle, including its load
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18.
No matter how small the cargo is, it should have at least:
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2 tie-downs.
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4 tie-downs.
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1 tie-down.
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19.
You must have at least _____ inch tread depth in every major groove on front tires.
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4/32
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6/32
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2/32
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20.
Glad hands are:
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coupling devices.
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securement devices.
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warning devices.
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