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Oil Tanks and Piping Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
What is the primary function of an oil tank in a heating system?✔✔ To store and supply fuel oil for combustion
Why is it important to install an oil tank on a solid, level surface?✔✔ To prevent shifting, leaks, and structural damage
What material is commonly used for residential oil tanks?✔✔ Steel or fiberglass
Why should oil tanks be placed away from direct heat sources?✔✔ To reduce the risk of fire and overheating
What is the purpose of an oil tank vent?✔✔ To allow air to escape when oil is added and prevent vacuum formation
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How does a fill pipe function in an oil tank system?✔✔ It provides a passage for oil delivery into the tank
Why is a vent alarm installed on an oil tank?✔✔ To signal when the tank is nearly full and prevent overfilling
What causes condensation inside an oil tank?✔✔ Temperature changes leading to moisture buildup
Why is water contamination in an oil tank a problem?✔✔ It can cause rust, sludge formation, and burner malfunctions
How can water be removed from an oil tank?✔✔ By draining the tank or using a water-absorbing treatment
What is the purpose of an oil filter in a piping system?✔✔ To trap debris and prevent clogging in the burner
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Why should oil lines be protected from physical damage?✔✔ To prevent leaks and maintain fuel flow
What happens if air enters the oil supply line?✔✔ It can cause burner shutdown or poor combustion
How can air be removed from an oil supply line?✔✔ By bleeding the line to release trapped air
Why is it important to use the correct size piping for oil flow?✔✔ To ensure proper fuel delivery without restriction or overflow
What material is commonly used for oil supply lines?✔✔ Copper or coated steel
What is the function of a fire safety valve in an oil piping system?✔✔ To automatically shut off fuel flow in case of fire
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