National Standard Master Mechanical (F29) Exam 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

What is the maximum vertical distance allowed between the front lower lip of a canopy-type commercial hood and the top horizontal surface of the appliance?

3 feet

4 feet

The maximum vertical distance allowed between the front lower lip of a canopy-type commercial hood and the top horizontal surface of the appliance is 4 feet. This distance is established to ensure effective capture of cooking vapors, smoke, and grease. Canopy hoods are designed to create a sufficient airflow to ventilate kitchens, and maintaining a proper distance helps to maximize the hood's efficacy in capturing these emissions. If the distance is too great, the hood may not function properly, leading to inefficiencies in air movement and potential safety hazards due to the accumulation of cooking byproducts.

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5 feet

6 feet

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