Questions: 1. According to the National Fire Protection Association, during the 2010-2014 period, U.S. municipal fire departments responded to nearly 15,000 fires caused by clothes dryers every year. 2. Dryers typically have both a drive motor to turn the drum and a blower motor to spin the impeller. 3. The heating element in a typical dishwasher heats both the water used during the wash cycle(s) and the air used during the drying cycle. 4. Degree of damage to a dishwasher is a reliable indicator of whether or not the dishwasher is the origin or cause of a fire.

1. According to the National Fire Protection Association, during the 2010-2014 period, U.S. municipal fire departments responded to nearly 15,000 fires caused by clothes dryers every year. 2. Dryers typically have both a drive motor to turn the drum and a blower motor to spin the impeller. 3. The heating element in a typical dishwasher heats both the water used during the wash cycle(s) and the air used during the drying cycle. 4. Degree of damage to a dishwasher is a reliable indicator of whether or not the dishwasher is the origin or cause of a fire.
Transcript text: 1. According to the National Fire Protection Association, during the 2010-2014 period, U.S. municipal fire departments responded to nearly 15,000 fires caused by clothes dryers every year. 2. Dryers typically have both a drive motor to turn the drum and a blower motor to spin the impeller. 3. The heating element in a typical dishwasher heats both the water used during the wash cycle(s) and the air used during the drying cycle. 4. Degree of damage to a dishwasher is a reliable indicator of whether or not the dishwasher is the origin or cause of a fire.
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Solution

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Knowledge Check

  1. According to the National Fire Protection Association, during the 2010-2014 period, U.S. municipal fire departments responded to nearly 15,000 fires caused by clothes dryers every year. The answer is True. Explanation: The National Fire Protection Association (NFPA) reported that during the 2010-2014 period, U.S. municipal fire departments indeed responded to nearly 15,000 fires annually that were caused by clothes dryers. This statistic highlights the fire risk associated with clothes dryers, often due to lint buildup and other maintenance issues.

  2. Dryers typically have both a drive motor to turn the drum and a blower motor to spin the impeller. The answer is False. Explanation: Most clothes dryers have a single motor that serves dual purposes: it turns the drum and also drives the blower that circulates air. While some appliances might have separate motors for different functions, typical household clothes dryers usually rely on one motor for both tasks.

  3. The heating element in a typical dishwasher heats both the water used during the wash cycle(s) and the air used during the drying cycle. The answer is True. Explanation: In a typical dishwasher, the heating element is used to heat the water during the wash cycles and also to heat the air during the drying cycle. This dual function helps ensure that dishes are both cleaned effectively and dried properly.

Summary:

  1. True - Nearly 15,000 dryer fires annually during 2010-2014.
  2. False - Dryers typically have one motor for both drum and blower.
  3. True - Dishwasher heating elements heat water and air.
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