What is the purpose of sump and drains in fuel storage?

What is the purpose of sump and drains in fuel storage?

• A. To measure fuel level
• B. To collect water and sediment
• C. To heat fuel
• D. To vent fuel

Answer: (B)

Sumps and drains are there to keep stored fuel clean by collecting water and sediment that settle at the bottom of tanks. Water can enter fuel through condensation or infiltration, and if it isn’t removed, it can cause corrosion, fuel separation, microbial growth, and engine problems. The sump acts as a holding area for that water and heavier contaminants, while the drain allows regular removal without draining the entire tank. Heating the fuel or venting it aren’t functions of sumps—heating doesn’t clean the fuel, and venting handles vapor and pressure, not water/sediment removal.

Sumps and drains are there to keep stored fuel clean by collecting water and sediment that settle at the bottom of tanks. Water can enter fuel through condensation or infiltration, and if it isn’t removed, it can cause corrosion, fuel separation, microbial growth, and engine problems. The sump acts as a holding area for that water and heavier contaminants, while the drain allows regular removal without draining the entire tank. Heating the fuel or venting it aren’t functions of sumps—heating doesn’t clean the fuel, and venting handles vapor and pressure, not water/sediment removal.