CDL PRACTICE TEST - GENERAL KNOWLEDGE (MAINE)
11.
The law requires __________ to inspect a commercial motor vehicle before a trip.
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a qualified inspection technician
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a qualified testing engineer
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the driver
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12.
What is Gross Vehicle Weight (GVW)?
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The total weight of a single vehicle including its cargo.
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A vehicle's maximum weight rating, specified by its manufacturer.
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The total weight of a vehicle, including that of any trailers.
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13.
Name a common cause of tire fires.
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Driver smoking
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Under-inflated tires
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Overinflated tires
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14.
On
a tractor-trailer equipped with a trailer brake hand
valve, the hand valve can be used to:
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prevent movement of cargo.
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hold compressed air.
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keep from rolling back.
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15.
When backing, you should:
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back quickly.
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use a helper if possible.
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avoid using the mirrors.
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16.
An alcohol evaporator is important during:
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dry weather.
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cold weather.
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hot weather.
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17.
Which of these should make you reject a vehicle until it is rectified?
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Tires of different sizes
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Tires with different tread patterns
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Tires from different manufacturers
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18.
You should always be able to stop within:
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100 feet.
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50 feet.
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the distance you can see ahead.
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19.
Service lines are often coded with the color ____ to keep from getting them mixed up with the emergency line.
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yellow
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blue
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orange
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20.
What plays a major role in mountain driving?
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Rain
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Weather
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Gravity
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