NORTH CAROLINA CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
When you drive a tractor-trailer combination with ABS, you should:
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always apply the brakes hard.
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pump the brakes.
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apply the trailer hand brake whe braking.
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brake as you always have.
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22.
If you have to drive off the road, you should:
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fully apply the brakes until your speed has dropped to about 20 mph.
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leave the road completely.
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brake as hard as you can to maintain control.
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keep one set of wheels on the pavement, if possible.
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23.
If you must stop on or by a one-way or divided highway, you must place warning devices ___ feet, ___ feet, and ___ feet toward the approaching traffic.
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20; 200; 400
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15; 150; 300
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5; 50; 100
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10; 100; 200
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24.
After the first stop, drivers must inspect the securement of the cargo:
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every 100 miles or every two hours.
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every 150 miles or every three hours.
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every 250 miles or every five hours.
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every 50 miles or every hour.
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25.
An advantage of going right instead of left around an obstacle is that:
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No one is likely to be driving on the shoulder, but someone may be passing you on the left.
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There is no real advantage.
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Turning right comes more natural in emergency situations.
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By turning right, you will force other drivers into an opposing traffic lane.
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26.
Your vehicle has automatic transmission. When going down grades, you should:
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put the gearshift in "Park".
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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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select a high range to reduce engine braking.
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27.
Tire load is defined as:
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the minimum safe weight a tire can carry at a specified pressure.
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the weight transmitted to the ground by 1 tire.
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the maximum safe weight a tire can carry at a specified pressure.
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the minimum tire pressure.
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28.
Before transporting a sealed load, make sure:
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that there is a picture of its contents.
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that the load can be inspected.
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that you don't exceed gross weight and axle weight limits.
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All of the above.
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29.
You should always back and turn toward the driver's side:
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so you can watch the rear of your vehicle by looking out the side window.
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unless it means having to go around the block first.
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unless you have someone to help you.
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All of the above.
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30.
Hazardous materials can be recognized by looking at the container's:
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color.
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label.
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shape.
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type.
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