CDL PRACTICE TEST - GENERAL KNOWLEDGE (OKLAHOMA)
11.
Radial and bias-ply tires:
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should be used together.
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should be used together only when driving in packed snow.
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should not be used together.
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12.
The two ways of knowing when to shift are:
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weather and road conditions.
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engine speed and road speed.
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following distance and traffic speed.
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13.
B:C type fire extinguishers are suitable for dealing with:
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wood fires.
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tire fires.
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electrical fires and burning liquids.
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14.
How do you find out how many seconds of following distance you have?
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Wait until the vehicle ahead of you passes a pavement marking, shadow or landmark. Then count off the seconds until you reach the same spot.
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Pass a stationary object and count how many seconds it takes the vehicle ahead of you to reach the same spot.
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Wait until the vehicle ahead of you passes a pavement marking or some other clear landmark, then use the stopwatch on your mobile phone to see how long it takes you to reach the same spot.
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15.
When starting your vehicle, oil pressure should come up to normal:
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within seconds.
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in about a minute.
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in about two minutes.
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16.
To prevent rollover, you should:
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keep the cargo as close to the ground as possible.
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go slowly around turns.
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All of the above.
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17.
Whenever you are about to pass a pedestrian, bicyclist, or vehicle, you should assume that they:
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will move out of your lane of traffic.
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can see you.
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could suddenly move in front of you.
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18.
If your vehicle is equipped with a front brake limiting valve, to ensure normal stopping power make sure the control is:
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in the "slippery" position.
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in the "neutral" position.
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in the "normal" position.
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19.
When crossing or entering traffic with a heavy vehicle:
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you should allow more room if your vehicle is not loaded.
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you may need a much larger gap to enter traffic than you would in a car.
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you can count on other drivers to move out of your way so you can safely enter the flow of traffic.
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20.
Confused drivers may:
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change direction suddenly.
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stop without warning.
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All of the above.
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