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UPGRADE TO CDL PREMIUM
1.
Before unloading explosive materials, you should:
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keep the engine running.
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turn your engine off.
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connect heater power sources.
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2.
To know if your vehicle is equipped with ABS, look for:
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the ABS logo on the steering wheel.
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a yellow ABS malfunction lamps on the instrument panel.
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an ABS placard.
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3.
When approaching a vehicle as part of a pre-trip inspection, which of the following could be a sign of trouble?
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Fresh oil under the vehicle
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Inflated tires
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All of the above.
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4.
Emergency brakes must be held on by:
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air pressure.
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mechanical force.
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hydraulic pressure.
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5.
Placards should be placed at least ______ away from any other markings.
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7 inches
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6 inches
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3 inches
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6.
To avoid a hazard:
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stopping is always the best thing to do.
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driving on the shoulder of the road is always the best thing to do.
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steering away from what is ahead may be the best thing to do.
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7.
While you are driving a tanker, the front wheels begin to skid. Which of these is most likely to occur?
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You will keep moving forward no matter how you steer.
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The truck will roll over.
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Excessive heat will cause chemical changes in the brake lining, which reduce friction.
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8.
You must know the outage requirement when hauling liquids in bulk. Why?
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Different liquids expand by different amounts as they warm.
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You must never leave room for the expanding liquid.
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Some of the heaviest liquids don't need any outage.
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9.
Which of the following will NOT help you prevent rollover?
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Using the controlled braking method.
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Driving slowly around turns.
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Keeping the cargo as close to the ground as possible.
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10.
In baffled tanks, the baffles help to control:
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the side-to-side liquid surge.
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the top-to-bottom liquid surge.
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the forward and backward liquid surge.
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