The vessel to which you are assigned has...

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Question 1 of 2066636eef28f7522a1c52049c

The vessel to which you are assigned has diesel generators fitted with intake and exhaust systems as shown in the illustration. What statement is true concerning the valves (items #1 and #9)? Illustration MO-0176

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Question 1 of 20

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🔍 Key Concepts

• Airflow direction through a turbocharged diesel engine (from intake, through cylinder, to exhaust) • How to distinguish intake manifold passages from exhaust manifold passages by arrow direction and connection to the turbocharger • Relationship between the turbocharger compressor side (fresh air) and turbine side (exhaust gas)

💭 Think About

• Trace the arrows starting at the fresh air side and follow the path into the cylinder—Which valve (item #1 or #9) is in that path? • Then trace the arrows from the cylinder out toward the turbocharger turbine and exhaust piping—Which valve is in that path? • Look at which side of the turbocharger each manifold connects to: is it feeding clean air in or carrying hot gases out?

✅ Before You Answer

• Verify which manifold (connected to item #1 or #9) leads back to the compressor wheel on the turbo (clean intake air) • Verify which manifold leads forward to the turbine wheel and then out of the engine (hot exhaust gases) • Make sure you are not mixing up the compressor (intake) side and turbine (exhaust) side of the turbocharger before choosing your answer.

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