HVAC Journeyman Practice Exam

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What must all clothes dryers used in multiple-family or public settings be equipped with?

  1. Approved backflow prevention devices

  2. Approved lint screens

  3. Approved safety shutoff devices

  4. Type II hood

The correct answer is: Approved safety shutoff devices

In multiple-family or public settings, clothes dryers must be equipped with approved safety shutoff devices to enhance user safety, prevent potential fire hazards, and ensure proper functioning. These devices are designed to automatically shut off the dryer in the event of a malfunction or when overheating occurs, thereby reducing the risk of fire. While other options may contribute to the functionality and safety of dryers, such as lint screens for catching lint and preventing blockages or type II hoods for venting excess heat and moisture, the key requirement for safety in shared or public environments is having a mechanism that actively monitors and controls the operation of the dryer. Safety shutoff devices ensure that any issues are promptly addressed, effectively maintaining a safe environment for all users.

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