ALASKA CDL COMBINATION PRACTICE TEST
11.
If are being followed closely, you should:
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decrease your following distance.
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change lanes quickly.
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increase your following distance.
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12.
You are driving a combination vehicle and must use your brakes to avoid a crash. You should:
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use stab braking or controlled braking.
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push the brake pedal as hard as you can and hold it there.
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brake lightly and hold the steering wheel firmly.
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13.
When you drive a tractor-trailer combination with ABS, you should:
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pump the brakes.
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brake as you always have.
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apply the trailer hand brake whe braking.
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14.
Fully loaded rigs:
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are much more likely to roll over than empty rigs.
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are less likely to roll over than empty rigs.
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are just as likely to roll over as empty rigs.
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15.
When backing a truck you should:
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always rely on your mirrors.
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get out and walk around the vehicle before you begin to back.
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look straight ahead.
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16.
Emergency lines on combination vehicles are often coded with the color ____ to keep from getting them mixed up with the ____ service line.
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blue; red
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yellow; black
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red; blue
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17.
To reduce the chance of rollover, you should:
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put the lightest parts of the cargo under the heaviest parts.
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place the cargo as high as possible inside the trailer.
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distributed the cargo as low as possible inside the trailer.
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18.
What factors can cause brakes to fail or fade?
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Brakes out of adjustment
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Excessive use of the service brakes
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All of the above.
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19.
On front tires, tread should be at least:
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4/16 inch
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2/32 inch
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4/32 inch
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20.
If your truck catches fire, the first thing you should do is to:
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pull off the road and park in an open area.
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get the vehicle off the road and park near other vehicles.
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pull into a service station and call for help.
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