CDL TANKER TEST VIRGINIA - PRACTICE TEST
11.
Under a pressurized system, the radiator cap:
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should never be removed until the system has cooled.
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should be removed when the coolant is hot.
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should never be hot.
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12.
The trailer hand valve should be used:
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only when applying the brakes hard.
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only on slippery surfaces.
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only to test the trailer brakes.
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13.
You should always adjust your speed to be able to stop within:
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the length of your vehicle.
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50 feet.
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the distance you can see ahead.
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14.
What should you do if you doubt you have safe space to pass under a low bridge?
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Go slowly, and take another route if you are not sure you can make it.
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Increase the weight of your vehicle to clearing under the bridge.
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If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
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15.
Before unloading explosive materials, you should:
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connect heater power sources.
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turn your engine off.
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keep the engine running.
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16.
Explosives, flammable gases and flammable liquids should not be placed in a cargo space that has:
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a heater.
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placards.
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an air conditioner.
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17.
When you double your speed, the braking distance is:
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the same.
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3 times longer.
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4 times longer.
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18.
If there is a fire and you are not sure what to use to put it out, you should:
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use water.
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wait for firefighters.
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use a fire extinguisher.
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19.
Before leaving your vehicle unattended, you should:
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Remove the keys.
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Apply the parking brake.
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All of the above.
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20.
In a convex mirror everything appears:
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darker.
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smaller.
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larger.
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