Q
QuestionEngineering

Which design of humidifier requires the least cleaning? Select one: A. Plate-type humidifiers B. Motorized atomizing humidifiers C. Bypass evaporative humidifiers, which do not hold water in a sump D. Wetted-element humidifiers that have a water sump
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Answer

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Step 1
I'll solve this problem by analyzing the characteristics of each humidifier type and their cleaning requirements.

Step 2
: Understand Cleaning Requirements

The key factors in humidifier cleaning are: - Water stagnation - Surface area for bacterial/mold growth - Complexity of design - Water reservoir characteristics

Final Answer

Bypass evaporative humidifiers, which do not hold water in a sump, require the least cleaning due to their simple design and continuous water movement.