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NORA Chapter 10 and 11 Quiz (PCI-RH) | Latest Version | 2025/2026 | Correct & Verified
What is the primary function of a draft regulator in an oil heating system?✔✔ To maintain a consistent draft and improve combustion efficiency
Why is it important to remove air from an oil heating system’s fuel line?✔✔ To prevent burner lockout and ensure proper fuel flow
What component prevents the burner from operating if no flame is detected?✔✔ The primary control
How does a dirty oil filter affect burner performance?✔✔ It restricts fuel flow and can cause burner shutdown
What is the purpose of a combustion chamber in an oil heating system?✔✔ To provide a controlled space for efficient fuel combustion
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Why should oil burner electrodes be properly spaced?✔✔ To ensure reliable ignition and proper flame formation
What can cause an oil burner to produce excessive smoke?✔✔ A clogged nozzle or incorrect air-to-fuel ratio
Why is regular maintenance of an oil burner important?✔✔ To improve efficiency, prevent breakdowns, and ensure safety
What happens if too much air is introduced into the combustion process?✔✔ The flame becomes unstable, and efficiency decreases
Why should an oil tank be inspected for leaks?✔✔ To prevent environmental contamination and fuel loss
What safety device shuts down the burner if the stack temperature is too low?✔✔ The stack relay
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