HVAC Journeyman Practice Exam

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What is the minimum horizontal overhang for canopy-type commercial cooking hoods beyond the cooking surface?

  1. 1 inch

  2. 3 inches

  3. 6 inches

  4. 12 inches

The correct answer is: 3 inches

The minimum horizontal overhang for canopy-type commercial cooking hoods beyond the cooking surface is three inches. This dimension is critical because it helps to effectively capture smoke, heat, and grease that are generated during cooking processes, enhancing the ventilation system's efficiency. An overhang that is inadequate may lead to poor air quality, inadequate grease containment, and potential health and safety issues. A three-inch overhang is generally seen as a standard that balances adequate coverage of the cooking surface without being excessively large, which could pose installation challenges or interfere with the kitchen's design. The establishment of this standard is rooted in safety and functionality regulations to create a more effective and efficient cooking environment.

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