AMP - Aviation Maintenance Technician Powerplant Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

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What is likely to occur if a reciprocating engine is operated at high power settings before it is properly warmed up?

Oil starvation of bearings and other parts

When a reciprocating engine is operated at high power settings before it has properly warmed up, the oil has not had enough time to fully circulate and lubricate all of the engine's moving parts. This can lead to oil starvation, causing excessive wear and damage to bearings and other components.

Excessive engine oil pressure (B) is unlikely to occur in this scenario because the engine is not fully warmed up and therefore the oil is not being circulated at high pressures.

Thermal shock of cylinders (C) is also a possible consequence of operating a cold engine at high power settings, but it is not the most likely outcome.

While decreased engine performance (D) may occur, it is not the most likely or significant consequence compared to the potential damage caused by oil starvation.

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Excessive engine oil pressure

Thermal shock of cylinders

Decreased engine performance

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