ID CDL DOUBLES TRIPLES PRACTICE TEST
11.
Which of the following is NOT true?
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ABS only comes into play when a wheel would have locked up because of over braking.
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ABS won't compensate for bad brakes.
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ABS will change the way you normally brake.
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12.
On dry pavement, the braking distance when traveling at 55 mph is about:
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216 feet.
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419 feet.
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142 feet.
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13.
When driving a 50-foot truck at 40 mph, your minimum following distance should be:
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4 seconds
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5 seconds
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6 seconds
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14.
When driving a double or triple, you should:
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increase your following distance.
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decrease your following distance.
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drive in the left lane whenever possible.
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15.
Which of the following statements is true?
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There is no way that short circuits due to damaged insulation can cause a vehicle fire.
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Poor cargo ventilation is a common cause of fire.
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Carrying a properly charged and rated fire extinguisher will help prevent fires.
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16.
Which of these statements about brakes is true?
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Brake fade does not result from excessive heat.
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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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17.
Texting while driving a CMV is:
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acceptable if the message less than 140 characters.
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acceptable if the message work-related.
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prohibited.
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18.
You should always adjust your speed to be able to stop within:
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the distance you can see ahead.
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the length of your vehicle.
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50 feet.
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19.
When driving in heavy traffic, the safest speed is:
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slower than the other vehicles.
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faster than the other vehicles.
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the same speed as the other vehicles.
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20.
When should you be particularly careful about high winds?
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When going downhill
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When driving at night
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When emerging from a tunnel
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