AL CDL DOUBLES TRIPLES PRACTICE TEST
11.
If you are carrying a heavy load that is slowing you down, you should:
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keep the vehicle in third gear.
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drive in the right lane.
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drive in the left lane.
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drive on the shoulder.
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12.
A trailer jackknife is more likely to happen when the trailer is:
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loaded to its full capacity.
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empty.
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overloaded.
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None of the above.
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13.
When driving a double or triple, you should:
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drive with emergency flashers on.
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drive in the left lane whenever possible.
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decrease your following distance.
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increase your following distance.
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14.
If you are being tailgated, you should:
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make quick changes.
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increase your speed very gradually.
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turn on your taillights.
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open up room in front of you.
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15.
To prevent a rollover, the driver should:
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pay extra attention to the coolant level.
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drive slowly around corners, on ramps, and off ramps.
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make quick lane changes if possible.
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drive on the shoulder if possible.
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16.
Do NOT use the parking brakes:
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if the brakes are very hot.
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to test that they work.
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when you leave your vehicle.
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when you park for less than two hours.
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17.
If the air compressor is belt-driven, you should check the air compressor drive belt before each trip. The belt should be:
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worn.
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loose.
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cracked.
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tight.
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18.
In your mirror, you see a car approaching from the rear. The next time you check your mirror, you don't see the car. If you wish to change lanes, you should:
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assume the car left the roadway and change lanes as normal.
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ease into the other lane slowly so the other car can get out of the way.
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wait until you are sure the car isn't in your blind spot.
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None of the above.
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19.
You are driving a heavy vehicle with a manual transmission, and you have to stop on the shoulder while driving on an uphill grade. When putting your vehicle back in motion up the grade, you should:
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use the parking brake to hold the vehicle until the clutch engages.
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shift down to a speed that you can control without using the brakes.
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keep the clutch slipping while slowly accelerating.
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partly engage the clutch before you take your right foot off the brake.
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20.
On dry pavement, the braking distance when traveling at 55 mph is about:
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61 feet.
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419 feet.
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216 feet.
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142 feet.
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