TANKER PRACTICE TEST - WYOMING CDL
11.
When you see you will need to slow down, you can warn drivers behind you by:
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making gestures.
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slamming on the brakes.
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tapping the brakes a few times.
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turning on the right turn signal.
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12.
Forward-and-back surge is strongest in:
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unbaffled tanks.
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bulkhead tanks.
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baffled tanks.
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empty tanks.
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13.
Baffled liquid tanks have:
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bulkheads in them with holes that let the liquid flow through.
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hollow balls floating in the liquid to slow movement.
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separate tanks inside the trailer.
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None of the above.
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14.
Retarders:
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help to increase brake pressure.
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improve traction.
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can be noisy and may not be permitted everywhere.
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increase fuel efficiency.
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15.
Even if you are not required to always stop at railroad crossings and you are sure no train is approaching, you must stop before reaching the crossing if:
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there is oncoming traffic.
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the tracks are not clear.
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there is no oncoming traffic.
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you can drive completely through the crossing without stopping.
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16.
At a rest area, you discover your hazardous materials shipments is leaking. There is no phone around. You should:
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continue driving in order to find a phone.
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never park your vehicle.
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keep driving slowly until you reach a truck stop.
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send someone else for help and give that person all of the necessary information.
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17.
A person attending a placarded parked vehicle:
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must be able to move the vehicle, if needed.
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must know what to do in emergencies.
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must be in the vehicle, awake, or within 100 feet of the vehicle, and have the vehicle within clear view.
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All of the above.
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18.
______ surge results from movement of the cargo in partially filled tanks.
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Solid
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Pressure
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Liquid
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Air
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19.
Which of the following is not a sign of fatigue?
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Rubbing eyes
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Yawning repeatedly
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Keeping a steady speed
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Frequent blinking
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20.
A full tank of dense liquid (such as some acids) may:
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weigh less than a tank filled with other liquids.
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reduce the size of the vehicle.
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be subject to travel restrictions.
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exceed legal weight limits.
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