OK CDL HAZMAT TEST - PRACTICE TEST
21.
Before each trip, you must make sure:
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the cargo is balanced and secured.
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your cargo obscures your view to the sides.
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the cargo has a high center of gravity.
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22.
Some packages of radioactive materials bear a number called the "transport index", which tells:
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how the package was sealed.
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the weight of the package.
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the degree of control needed during transportation.
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23.
Placards are used:
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to warn other drivers when the load on the vehicle extends 4 feet or more beyond the rear of the body.
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to warn other drivers about the risks of tailgating.
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to warn others of hazardous materials.
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24.
Retarders:
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help prevent accidents by applying extra braking power to the non-drive wheels.
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help slow a vehicle and reduce brake wear.
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apply their
braking power whenever
you push on the accelerator.
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25.
If you hear a loud loud "bang" and the steering feels "heavy", you should:
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hold the steering wheel firmly and stay off the brake.
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brake hard and pull off the road.
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pump the brakes until the vehicle has slowed down.
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26.
What should you do if your vehicle starts hydroplaning?
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Accelerate slightly, then push in the clutch to slow down.
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Release the accelerator and push in the clutch to let the wheels turn freely.
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Apply the brakes and countersteer to regain control of the vehicle.
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27.
When your drive wheels have poor traction, you should:
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turn the retarder on.
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turn the retarder off.
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only use the retarder on the front wheels.
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28.
When more cargo is piled up in a truck, the center of gravity moves:
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to the left side of the truck.
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higher up from the road.
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closer to the ground.
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29.
Which of the following is a clue suggesting a shipment of HazMat?
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The type of business is the shipper is in.
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Tanks with diamond labels or placards on the premises.
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All of the above.
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30.
How can you tell if your vehicle is equipped with ABS?
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Look for yellow ABS malfunction lamps on the instrument panel.
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Trailers will have yellow ABS malfunction lamps on the left side.
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All of the above.
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