Exam Question
Describe the following turbocharger cleaning operations:
(a) Turbine side water washing. (6)
(b) Turbine side dry cleaning. (5)
(c) Blower side water washing (5)
Class 4 (4th Engineer)
MEP
📅 Apr 2025
Reference Answer
The efficient operation of a turbocharger is critical for a marine diesel engine's performance, fuel economy, and emission control. Regular cleaning of both the turbine and blower (compressor) sides is essential to remove deposits that accumulate during operation, which can severely degrade turbocharger and engine efficiency. The following describes common turbocharger cleaning operations:
**(a) Turbine Side Water Washing**
Turbine side water washing is a common method for removing deposits from the exhaust gas-driven turbine section of the turbocharger, specifically the nozzle ring and turbine blades.
* **Purpose and Principles:**
**(a) Turbine Side Water Washing**
Turbine side water washing is a common method for removing deposits from the exhaust gas-driven turbine section of the turbocharger, specifically the nozzle ring and turbine blades.
* **Purpose and Principles:**
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