Practice Quiz

Commercial Driver's License

Category - Difficult Driving

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During winter driving, some trucks use radiator shutters or winterfront devices. Which of the following statements is NOT true concerning these devices?
  1. Drivers should periodically remove ice from radiator shutters.
  2. Drivers should ensure that the winterfront device is closed tightly at all times.
  3. The winterfront device should not be closed too tightly at any time.
  4. Radiator shutters can freeze shut.
Explanation
Answer: B - Some vehicles use protective devices during winter driving to help protect the engine from extreme cold. Radiator shutters and winterfronts are two of these devices. Winterfront devices must not be closed too tightly as this may lead to the engine overheating. If radiator shutters freeze shut, the engines may overheat as well.
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