PA CDL HAZMAT TEST - PRACTICE TEST
21.
If your tires are hot, you should NOT:
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let air out of the tires so the pressure goes back to normal.
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stop to let the tires cool down.
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drive until you correct the cause of the overheating.
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once the tires have cooled down, make another stop to check the tires.
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22.
An Anti-lock Braking System (ABS):
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always shortens your stopping distance.
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lets you drive faster.
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keeps your wheels from locking up when you brake hard.
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increases your normal braking capability.
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23.
Before moving a tank of hazardous materials, you must:
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call the Chemical Transportation Emergency Center and tell them your destination.
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send the shipping papers to the shipper.
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close all manholes and valves.
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All of the above.
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24.
Passive railroad crossings:
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should never be crossed using a CMV.
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have at least one traffic control device.
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do not have traffic control devices.
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usually have a person directing traffic.
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25.
Rough acceleration can cause:
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damage electrical and brake lines.
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mechanical damage.
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tire damage.
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All of the above.
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26.
If a shipping paper describes both hazardous and non-hazardous products, the hazardous materials must be:
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listed in yellow ink.
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highlighted in a contrasting color.
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in the same color as the non-hazardous materials.
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listed at the bottom.
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27.
If the letter "G" appears in Column 1 of the Hazardous Materials Table, the description must also include:
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the technical name of the HazMat.
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the source of the HazMat.
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the shipper's name.
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the hazard class or division.
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28.
Retarders:
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apply their
braking power whenever
you push on the accelerator.
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help slow a vehicle and reduce brake wear.
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help prevent accidents by applying extra braking power to the non-drive wheels.
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All of the above.
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29.
When going down grades, you should:
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downshift to a lower gear.
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put the transmission in Neutral.
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shift up.
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rely solely on engine braking to reduce your speed.
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30.
You are more at risk of being fatigued:
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when driving during the day.
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after getting more than 8 hours of sleep.
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when driving alone.
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when stopping periodically during long trips.
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