CDL GENERAL KNOWLEDGE TEST (MO) - PRACTICE TEST
11.
The most important reason for doing a vehicle inspection is:
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Employer liability
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Safety
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Liability insurance
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12.
Retarders:
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help to increase brake pressure.
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can be noisy and may not be permitted everywhere.
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improve traction.
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13.
The size of motorcycles can cause you to misjudge their speed and distance. You should:
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check twice for motorcycles before pulling out into traffic.
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never share lanes with motorcycles.
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All of the above.
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14.
Alcohol:
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does not affect judgement.
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impairs depth perception.
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improves reaction time.
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15.
The most important reason you inspect your vehicle is:
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because Federal and state laws require that drivers inspect their vehicles.
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Safety.
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to avoid insurance premium hikes.
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16.
To correct a drive-wheel braking skid, you should:
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release the clutch and press the accelerator at the same time, then countersteer.
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fully apply the brakes until you stop.
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stop braking and countersteer.
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17.
If your vehicle thumps or vibrates heavily, it may be a sign that:
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you need to shift up.
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one of the tires has gone flat.
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the brakes have failed.
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18.
Parking brakes are:
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not required on trailers.
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required on all vehicles.
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not required on commercial vehicles with air brakes.
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19.
If you see a cardboard box ahead in your lane, you should:
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slow down to a crawl, inch your vehicle forward and attempt to nudge the box out of your way.
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stop, get out of your vehicle, and pull the box off of the road before driving on.
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avoid it without making sudden, unsafe moves.
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20.
When you check your tires, you should look for all of the following EXCEPT:
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Dual tires that come in contact with parts of the vehicle
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Tires from different manufacturers
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Tread separation
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