G2 Gas Fitter Practice Exam

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What is the minimum clearance to combustible materials allowed above a commercial type clothes dryer?

12 inches
18 inches
24 inches
30 inches

The correct answer is: 18 inches

The minimum clearance to combustible materials above a commercial type clothes dryer is 18 inches. This clearance is necessary to prevent any potential fire hazards that could arise from the heat produced during the dryer's operation. The dryer generates significant heat, and if combustible materials, such as clothing, paper, or other flammable substances, are located too close, there is an increased risk of ignition. The specification of 18 inches is often based on standards set by various safety organizations and building codes that aim to ensure adequate ventilation and reduce the risk of fire. Maintaining this clearance allows for proper airflow around the dryer and helps to dissipate heat effectively, reducing the chance of overheating any surrounding materials. Overall, this requirement emphasizes the importance of safety in the installation of commercial dryers to protect both the appliance and the environment in which it operates.