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- Third Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q538 - Steam Plants II
258. When you hear an exhaust gas turbine of an auxiliary diesel engine surge it sounds like it is «barking.» What is the likely cause of a turbine «barking?»
A dirty intake air filter restricts airflow, causing compressor surge and a characteristic 'barking' noise. Compressor surge results from an imbalance between turbine demand and airflow, not mechanical failures like damaged blades, insufficient lubrication, or worn bearings.
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