CDL GENERAL KNOWLEDGE TEST (CO) - PRACTICE TEST
11.
Who is responsible for making sure the lights and reflectors are clean?
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The driver
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The maintenance staff
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The previous driver
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The shipper
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12.
Which of these is true about fire extinguishers?
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The fire extinguisher must be properly charged and rated.
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You must study the instructions printed on the extinguisher before you need it.
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Check that the extinguisher is the correct type for the class of fire that may occur.
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All of the above.
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13.
To correct a drive-wheel braking skid, you should stop braking and:
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keep your foot off the clutch.
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accelerate slightly.
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countersteer.
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pull of the road.
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14.
Placards are:
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signs put on the inside of a vehicle that remind the driver of the type of cargo he or she is carrying.
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signs put on the outside of a vehicle that identify the hazard class of the cargo.
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used to warn others when the Gross Vehicle Weight (GVW) exceeds 10,000 pounds.
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signs that warn others to stay at least 500 feet away from the vehicle.
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15.
Glad hands are:
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electronic devices.
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securement devices.
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coupling devices.
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warning devices.
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16.
Before driving a vehicle with a dual air system, the air compressor should build up a minimum of _____ pressure in both the primary and secondary systems.
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100 psi
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75 psi
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10 psi
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50 psi
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17.
You should signal your intention to turn at least ____ before turning or changing lanes.
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250 feet
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100 feet
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75 feet
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50 feet
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18.
When you pull off the road and stop, you should:
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flash your brake lights.
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use your high beams.
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turn on the 4-way emergency flashers.
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use the taillights.
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19.
When approaching a double railroad track, you should:
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expect to hear a train when it's approaching.
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remember that a train on one track may hide a train on the other track.
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remember that trains may be more frequent.
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rely upon the presence of warning signals.
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20.
You should carefully check for traffic:
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As you approach an intersection.
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When driving through an intersection.
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When approaching a curve.
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All of the above.
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