CDL HAZMAT PRACTICE TEST NEW MEXICO

21. If your vehicle does not have racks to hold cylinders of compressed gas, the cylinders must be:
bundled together with steel strapping.
held upright.
less than half of the cargo.
22. Before loading or unloading any flammable liquids, you should:
turn on the headlights.
turn off the engine.
start the engine.
23. When driving in extremely hot weather, if the air pressure in the tires is too high, you should:
let air out of the tires to decrease pressure.
stop and remain stopped until the tires cool off.
continue driving.
24. Two of the most common causes of tire fires are:
Duals that touch and under-inflated tires.
Loose lug nuts and duals that touch.
Driver smoking and bleeding tar.
25. Which of the following is NOT true?
ABS only comes into play when a wheel would have locked up because of over braking.
ABS will change the way you normally brake.
ABS won't compensate for bad brakes.
26. Which of the following statements about backing heavy vehicles is true?
Always back as quickly as possible.
You should avoid backing whenever you can.
Back to the right side so that you can see better.
27. Nitric acid should:
not be loaded above any other product.
stacked to the ceiling.
loaded above other products.
28. To prevent drowsiness you should:
never drive with a passenger.
schedule trips for the middle of the night.
get adequate sleep before a trip.
29. Which of the following hazard classes should NOT be placed into a temperature-controlled trailer?
Classes 1, 3, and 5.1
Classes 1, 3, and 4
Classes 1, 2.1, and 3
30. Which of the following statements is true?
Poor cargo ventilation is a common cause of fire.
Carrying a properly charged and rated fire extinguisher will help prevent fires.
There is no way that short circuits due to damaged insulation can cause a vehicle fire.
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