🔍 Key Concepts

• Diesel engine exhaust temperature and what it tells you about engine load and combustion • Difference between operator control actions (like changing load) and maintenance/adjustment actions (like fuel rack or lube oil changes) • What a system-wide symptom on all cylinders suggests vs a single-cylinder problem

💭 Think About

• Ask yourself: If ALL cylinders show high exhaust temperature, does that point more to a control/operating condition or to an individual component fault? • Which option can you safely and immediately change from the control station to protect the engine before making any adjustments? • Which actions (fuel rack, lube oil, cooling water) normally require underlying diagnosis or system checks before you change them?

✅ Before You Answer

• Identify which choice provides the fastest, safest immediate way to reduce thermal stress on the engine • Eliminate options that are usually secondary responses or require troubleshooting before being changed • Consider standard practice: what is the first protective step taken when an engine shows signs of overload or overheating?