CDL PRACTICE TEST (DC) - GENERAL KNOWLEDGE TEST
41.
The ABS malfunction lamp on the instrument panel is:
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Red
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Blue
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Yellow
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Orange
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42.
The best way to see the rear and sides of your vehicle is to:
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roll down your passenger-side window.
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check your mirrors regularly.
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roll down your driver's window.
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use your rear view camera.
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43.
After a trip:
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you should place the vehicle out of service.
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you should get the oil changed.
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you should inspect the vehicle.
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you should replace the battery.
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44.
If there is a fire in your vehicle, do NOT:
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park in an open area.
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pull into a service station.
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notify emergency services.
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park away from buildings and other vehicles.
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45.
Which of the following are possible causes of tire fires?
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Loose fuel connections or under-inflated tires.
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Improperly loaded cargo and dual tires that touch.
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Over-inflated tires and short circuits.
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Under-inflated tires and dual tires that touch.
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46.
Obstacles on the roadway that appear to the harmless:
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never contain material capable of causing damage.
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should be driven over.
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can be dangerous.
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None of the above.
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47.
Cargo tie-downs are used to:
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prevent freezing.
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prevent skidding.
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keep cargo from shifting or falling.
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prevent right-turn accidents.
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48.
Axle weight is:
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the weight any axle or combination of axles transmits to the ground.
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the weight of one axle.
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the maximum safe weight a tire can carry at a specified pressure.
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the loaded weight of a single vehicle.
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49.
When checking the condition of the steering system, you must:
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Check the windshield wiper arms.
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Test what happens under braking conditions.
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grab the steering mechanism to test for looseness.
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Visually inspect the steering mechanism.
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50.
Drivers transporting cargo are responsible for:
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inspecting the cargo.
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making sure the cargo is properly secured.
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recognizing overloads.
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All of the above.
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