MA CDL PRACTICE TEST - GENERAL KNOWLEDGE
11.
When driving at night, if drivers of oncoming vehicles do not put their low beams on, you should:
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flash your high beams to remind the other drivers to use their low beams.
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look slightly to the right at a right lane or edge marking, until the vehicles pass.
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look directly at the headlights.
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pull off the road and stop.
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12.
To prevent rolling back when you start, if you have a manual transmission you should:
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never the parking brake.
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use the lowest reverse gear.
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over-accelerate.
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partly engage the clutch before you take your right foot off the brake.
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13.
You have two tie-downs on a 15 foot load. How many more tie-downs do you need to secure cargo and keep it from shifting or falling?
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None
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Two
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Three
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One
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14.
Emergency equipment is:
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required.
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encouraged.
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only required when transporting hazardous materials.
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optional.
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15.
Convex mirrors:
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make things appear closer than they really are.
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make objects appear larger than they really are.
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show a wider area than flat mirrors.
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All of the above.
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16.
If the ABS is not working:
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the truck will have no brakes.
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the truck will still have normal brakes.
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you should immediately reduce your speed.
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All of the above.
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17.
Air tanks usually hold enough compressed air to allow the brakes to be used _________ even if the compressor stops working.
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for one stop
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for 3 days
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several times
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for one day
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18.
When driving in very hot weather you should inspect your tires regularly. Why?
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Air pressure increases with temperature.
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Hydroplaning is more likely if tire pressure is low.
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The minimum tread depth may vary.
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All of the above.
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19.
If are being followed closely, you should:
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increase your following distance.
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change lanes quickly.
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flash your brake lights.
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decrease your following distance.
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20.
When backing a trailer, you should turn the steering wheel to the right to make the trailer go left (or vice versa). Once the trailer starts to turn, you should:
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keep backing up.
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turn the wheel more in the direction you want to go.
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turn the wheel the other way to follow the trailer.
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None of the above.
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