Fuel contaminants can cause which problems in turbine operation?

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Prepare for the Gas Turbine Systems Technician – Mechanical A School Test 1. Study with multiple choice questions that come with hints and explanations. Ace your exam!

Multiple Choice

Fuel contaminants can cause which problems in turbine operation?

Explanation:
Fuel contaminants disrupt the fuel system and combustion process. Dirt, water, and other impurities can deposit in fuel injectors, nozzles, and fuel passages, altering spray patterns and metering. That disturbs the air-fuel mixture and leads to combustion instability, which can show up as flameout or rough operation. Contaminants can also foul fuel-control valves and metering components, causing sticking and erratic fuel delivery. The overall result is deposits, unstable combustion, sticking valves, and combustion problems, not improvements in cooling or efficiency.

Fuel contaminants disrupt the fuel system and combustion process. Dirt, water, and other impurities can deposit in fuel injectors, nozzles, and fuel passages, altering spray patterns and metering. That disturbs the air-fuel mixture and leads to combustion instability, which can show up as flameout or rough operation. Contaminants can also foul fuel-control valves and metering components, causing sticking and erratic fuel delivery. The overall result is deposits, unstable combustion, sticking valves, and combustion problems, not improvements in cooling or efficiency.

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