Which method is acceptable to prevent entrance of contaminants into discharge piping?

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Prepare for the NFPA 96/17A Class K Fire Protection Exam. Enhance your understanding with multiple-choice questions and detailed explanations. Master the exam content to ensure safety in commercial kitchens.

Multiple Choice

Which method is acceptable to prevent entrance of contaminants into discharge piping?

Explanation:
Sealing the end of discharge piping with caps prevents dirt, dust, moisture, and other debris from entering the line when it’s not in use or during maintenance. A cap provides a tight seal that blocks contaminants and helps keep the system clean and ready for operation. The other hardware—screws, bolts, or washers—does not seal the end and would leave openings or risk introducing debris, so they aren’t suitable for preventing contamination.

Sealing the end of discharge piping with caps prevents dirt, dust, moisture, and other debris from entering the line when it’s not in use or during maintenance. A cap provides a tight seal that blocks contaminants and helps keep the system clean and ready for operation. The other hardware—screws, bolts, or washers—does not seal the end and would leave openings or risk introducing debris, so they aren’t suitable for preventing contamination.

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