CDL COMBINATION PRACTICE TEST (KS)
11.
When transporting cargo, the cargo should be checked:
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only after the trip.
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before the trip and after the first 50 miles.
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before the trip and after the first 150 miles.
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only before the trip.
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12.
In combination vehicles with air brakes, the trailer air supply control should pop out when the air pressure falls within the range of:
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20 to 45 psi
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10 to 20 psi
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50 to 75 psi
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100 to 120 psi
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13.
Transporting hanging meat requires special attention. Why?
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Because hanging meat can be an unstable load with a high center of gravity.
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Because refrigerated trucks have less traction.
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Because you have to drive fast to get it delivered fresh.
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All of the above.
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14.
Headache racks:
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help you keep weights within legal limits.
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can blind other drivers.
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protect you from being hit by your cargo.
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None of the above.
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15.
Which of these statements about brakes is true?
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Brake fade does not result from excessive heat.
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To stop, the brake shoes and linings are pushed against the outside of the drum.
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The lighter the vehicle, the more heat the brakes absorb to stop it.
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None of the above.
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16.
When driving in a construction zone, if a construction worker is near the road, you should:
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further reduce your speed.
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come to a complete stop.
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speed up.
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maintain a constant speed.
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17.
Empty trucks:
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have better traction than fully-loaded trucks.
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require shorter stopping distances than fully-loaded trucks.
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may have poor traction.
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None of the above.
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18.
What is a pull up when referring to truck driving?
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When a driver stops and pulls forward to get a better position.
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A driving maneuver used to pull your vehicle over to the side of the road and stop.
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Using the speedometer to know when to shift up.
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A specific maneuver used to decelerate smoothly in the exit lane.
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19.
When approaching a stopped bus, you must be aware that:
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passing a stopped bus is illegal.
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a student may be driving the bus.
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passengers may cross in front of or behind the bus.
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passengers crossing in front of the bus can always see you.
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20.
When backing a trailer, you should:
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turn the steering wheel in the direction you want to go.
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never make pull-ups to reposition your vehicle.
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avoid correcting the drift.
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try to position your vehicle so you can back in a straight line.
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