Which color identifies Feedwater piping?

• A. Dark Gray
• B. Light BLUE
• C. Yellow
• D. Pink

Answer: (B)

Piping color codes are used on ships to quickly identify what a line carries, so operators and maintenance crews can work safely and correctly. Feedwater piping, which delivers water to the boilers, is identified with light blue. That color tells you you’re dealing with boiler feed water, not seawater, fuel, oil, or steam lines, helping prevent mis-connecting or unsafe operations. The other colors don’t fit because dark gray is a neutral finish with no specific service, while yellow and pink are used for other categories or caution-related purposes in many schemes, which would mislead someone reading the line. So light blue is the best match for feedwater.