CDL GENERAL KNOWLEDGE TEST (PENNSYLVANIA) - PRACTICE TEST
11.
When checking the condition of wheels and rims during the pre-trip inspection, make sure that:
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no more than two lug nuts are missing.
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no studs, spacers, clamps, or lugs are missing, bent, or broken.
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the end of the kingpin is even with the top of the fifth wheel.
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All of the above.
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12.
Which of the following statements about drinking alcohol is TRUE?
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Alcohol only affects people who are not used to drinking.
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Alcohol only impairs judgement, not muscle coordination.
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A 5-ounce glass of 12 percent wine contains the same amount of alcohol as a 12-ounce glass of 5 percent beer.
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Coffee and a little fresh air will help a drinker sober up.
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13.
_________ helps coordinate emergency response to chemical hazards.
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The National Chemical Network
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The National Prevention Network
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The National Response Center
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The Federal Transportation Organization
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14.
When steering to avoid a crash, you should:
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steer with one hand so that you can turn the wheel more quickly.
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not turn any more than needed to clear what is in your way.
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apply the brakes while turning.
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All of the above.
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15.
If a vehicle is equipped with ABS, when you start the engine:
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the spring brakes will come on.
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the ABS indicator light on the dash should come on and then turn off.
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the trailer emergency brakes will come on.
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the wheels will lock up.
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16.
Why should you check your mirrors regularly to know where other vehicles are around you?
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To know whether you can make a quick lane change in an emergency.
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To move out of their way if they want to get past.
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To better assess your own speed.
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To flash the brake lights if you are being tailgated.
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17.
During freezing weather, which area is most likely to be slippery after it rains?
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Shaded areas.
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Bridges.
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Roads that look wet.
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All of the above.
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18.
When the load on a vehicle extends more than 4 feet beyond the rear of the body, a _______ must be placed at the end of the load.
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yellow sign
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blue flag
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red flag
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warning sign
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19.
When driving a modern truck, the gear you should be in before starting down a hill is usually_____ the gear required to climb the same hill.
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lower than
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the same as
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higher than
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None of the above.
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20.
To stay alert and safe while driving, you should:
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drive at night, if possible.
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avoid any drug that hides fatigue.
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always drive alone, if possible.
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drink coffee if you get drowsy.
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