While underway on a slow-speed propulsion diesel, the duty engineer is alerted to a high scavenging air temperature at one cylinder. Which of the following could be a possible cause?

Question

Accepted Answer

Scavenging air box fire at the piston underside.

Answer

Exhaust valve leakage due to a burned seat.

Answer

No water flow to the turbocharger after cooler.

Answer

Blocked scavenging air cooler.

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