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- Third Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q537 - Steam Plants I
224. Which of the terms listed represents the ratio between the highest and lowest fuel oil pressure at which the burners will remain ignited?
The turndown ratio defines the ratio of maximum to minimum stable firing rates or fuel pressures at which a burner maintains ignition. This ratio represents the operational limits of the burner and is a standard performance metric.
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