If you observe smoke coming from the...

🔍 Key Concepts

• Relationship between turbocharger location and components like air filter, exhaust manifold, and turbine side • Typical causes of smoke around a diesel turbocharger (air side vs exhaust side vs lube oil) • Difference between checking/diagnosing and securing/shutting down equipment on an exam question

💭 Think About

• Think about where a turbocharger is installed in the system and what flows through each side: air, exhaust gas, and lubricating oil. Which of the choices most directly explains visible smoke at that location? • Consider whether the question is asking for an immediate safety shutdown or for the first logical check to identify the source of the smoke. • Ask yourself: Is the smoke more likely to be from hot exhaust gas escaping, restricted airflow, high temperature, or oil burning off a surface near the turbocharger?

✅ Before You Answer

• Identify which choice deals directly with a leak or escape of hot gases/oil near the turbocharger area. • Decide whether the exam is focused on troubleshooting (what to check first) rather than emergency shutdown. • Visualize the physical layout: where is the air filter, where is the exhaust system, and where might smoke become visible first?

If you observe smoke coming from the turbocharger of an auxiliary diesel engine, you should __________.

check the air filter for obstruction

check for an exhaust leak

check the exhaust temperature

secure the engine

🔍 Key Concepts

💭 Think About

✅ Before You Answer