2nd Class Power Engineering (2A3) 2025 – 400 Free Practice Questions to Pass the Exam

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What is the main effect of filming amines in high-temperature boiler systems?

They increase acidity in the water

They create deposit formations

They protect metal from corrosion

Filming amines are frequently used in high-temperature boiler systems to enhance the protection of metal surfaces from corrosion. These chemical agents work by forming a thin, protective film on the metal surfaces within the boiler. This film acts as a barrier, reducing direct contact between the metal and the corrosive water or steam environment. As a result, the likelihood of corrosion is significantly diminished, which is crucial for maintaining the integrity and longevity of boiler components.

Using filming amines is particularly important because, in high-temperature operations, the risk of corrosion can be amplified by the aggressive nature of steam and the potential for oxygen and other corrosive elements to be present in the system. The protective film created by filming amines helps mitigate these risks, allowing the boiler to operate more reliably and efficiently.

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They improve steam quality

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