CDL 21-30

Question 1 of 10

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Every time you leave your vehicle you should:

Select one of the following:

  • Turn the steering wheel as far to the left as you can.

  • Apply the brake.

  • Leave it in gear (if it has a manual transmission).

Question 2 of 10

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Which of these statements about cargo loading is true?

Select one of the following:

  • The legal maximum weight allowed by a state can be considered safe for all driving conditions.

  • State laws dictate legal weight limits.

  • If the shipper loads the cargo, the driver is not responsible for overloading.

Question 3 of 10

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Which of these is a good thing to do when driving at night?

Select one of the following:

  • Keep your speed slow enough that you can stop within the range of your headlights.

  • Look directly at oncoming headlights only briefly.

  • Keep your instrument lights bright.

Question 4 of 10

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If your vehicle catches fire while you are driving, you should:

Select one of the following:

  • Park in an open area.

  • Park where a building or trees shelter your vehicle from the wind.

  • Increase your speed to put out the flames.

Question 5 of 10

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How far ahead of the truck should a driver look while driving?

Select one of the following:

  • 1-2 seconds

  • 5-8 seconds

  • 12-15 seconds

Question 6 of 10

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You are checking your tires for a pre-trip inspection. Which of these statements is true?

Select one of the following:

  • Tires of mismatched sizes should not be used on the same vehicle.

  • Radial and bias-ply tires can be used together on the same vehicle.

  • A tread depth of 2/32 inch is safe for the front tires.

Question 7 of 10

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How do you test hydraulic brakes for leaks?

Select one of the following:

  • Move the vehicle slowly and see if it stops when you put on the brakes.

  • Measure the free play in the pedal with a ruler.

  • Firmly push down the pedal for 5 seconds and see if it moves.

Question 8 of 10

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You can see a marking on a vehicle ahead of you. The marking is a red triangle with an orange center. What does the marking mean?

Select one of the following:

  • It may be a slow-moving vehicle.

  • The vehicle is hauling hazardous material.

  • It is a law enforcement vehicle.

Question 9 of 10

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An in route inspection should include checking for:

Select one of the following:

  • Tire overheating and brake overheating.

  • Cargo secured properly.

  • Both of the above.

Question 10 of 10

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You are driving in the right lane of a four-lane, undivided road. You come over a hill and find a car stopped ahead in your lane. You do not have room to stop. The hill blocks your view to the rear. The shoulder is clear. Which of these is most likely the best action to take?

Select one of the following:

  • Steer into the left lane.

  • Steer to the right.

  • Use hard breaking and brace for collision.

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kuhlmann314
Quiz by , created over 3 years ago

16 CDL test Quiz on CDL 21-30, created by kuhlmann314 on 01/06/2013.

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kuhlmann314
Created by kuhlmann314 over 3 years ago
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