CDL GENERAL KNOWLEDGE TEST (OREGON) - PRACTICE TEST
31.
If your brakes fail on a steep mountain downgrade, you should:
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slow down until your vehicle comes to a complete stop.
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stay on the road and keep looking for the next available escape ramp.
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decide what to do as soon as you know your brakes do not work.
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set the parking brake and park in an open area.
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32.
Controlled braking:
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involves pumping the brakes while keeping steering wheel movements very small.
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can be used to keep your vehicle in a straight line and allow you to turn if necessary.
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involves locking the wheels and then releasing the brakes.
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must be used when you need to turn sharply while braking.
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33.
If you are driving a 40-foot vehicle at 35 mph, you should leave at least _____ between you and the vehicle ahead.
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4 seconds
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5 seconds
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6 seconds
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3 seconds
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34.
When approaching a vehicle as part of a pre-trip inspection, the driver should look under the vehicle for all of the following except:
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Grease
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Coolant
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Windshield wiper fluid
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Fresh oil
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35.
Nitric acid should:
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loaded above other products.
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not be loaded above any other product.
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piled up high with heavy cargo on top.
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stacked to the ceiling.
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36.
When your drive wheels have poor traction, retarders:
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can cause your wheels to skid.
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will stop working.
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will help you regain traction.
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will apply the spring brakes.
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37.
Your vehicle has automatic transmission. When going down grades, you should:
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select a high range to reduce engine braking.
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put the gearshift in "Park".
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select a low range to get greater engine braking.
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select a high range to get greater engine braking.
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38.
_______ is the distance your vehicle travels, in ideal conditions, from the time you see a hazard until your brain recognizes it.
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Reaction distance
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Total stopping distance
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Braking distance
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Perception distance
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39.
Multi-speed rear axles and auxiliary transmissions are used:
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to provide extra gears.
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reduce exhaust emissions.
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to reduce brake wear.
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to make it easier to change gears.
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40.
Which of these is NOT part of the basic method for shifting up?
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Release the accelerator, push in the clutch and shift to neutral at the same time.
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Accelerate while pressing the clutch and turn toward the driver's side.
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Push in the clutch and shift to the higher gear at the same time.
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Release the clutch and press the accelerator at the same time.
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