PA CDL PRACTICE TEST - GENERAL KNOWLEDGE
11.
Which of the following is a reason to cover cargo?
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To protect people from spilled cargo
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To protect the cargo from weather
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To contain a spill
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All of the above.
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12.
Shaded parts of the road:
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usually are not slippery.
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will remain icy and slippery after other areas have melted.
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will melt before open areas.
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usually don't freeze.
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13.
Which of the following trailers can get stuck on raised crossings?
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Car carrier
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Moving van
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Lowboy
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All of the above.
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14.
Sleep debt is defined as:
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the amount of sleep you get each night.
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the cumulative effect of not getting enough sleep.
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the accumulated amount of sleep from frequent rest brakes.
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All of the above.
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15.
Right after it starts to rain, the road is very slippery. Why?
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Because rain is very slippery.
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Because black ice may form on the road.
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Because the water mixes with oil left on the road by vehicles.
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None of the above.
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16.
After starting the engine the coolant temperature should:
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rise quickly.
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slowly decrease.
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hold steady.
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rise gradually.
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17.
When switching gears, if you remain too long in Neutral:
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the ABS won't work.
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the vehicle will speed up.
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the brakes won't work.
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you may have difficulty putting the vehicle into the next gear.
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18.
Water
in the brakes can cause the brakes to:
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break.
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overheat.
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be weak or apply unevenly.
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fade.
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19.
Which of the following is a key steering system part?
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Tie rod
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U-bolts
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Leaf spring
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Anchor plate
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20.
Your vehicle has automatic transmission. When going down grades, you should:
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select a high range to reduce engine braking.
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select a low range to get greater engine braking.
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select a high range to get greater engine braking.
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put the gearshift in "Park".
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