Protection in a boiler from boiler feed water corrosion is accomplished by:
A) Injecting chlorines to kill microbiological bugs.
B) Injecting caustic to lower the ph to < 4.0.
C) Lowering solids content in boiler feed water to less than 50 ppm.
D) Maintaining a protective corrosion layer of magnetite (Fe3O4) .
Correct Answer:
Verified
Q441: What method is most used to assure
Q442: Which of the following is not a
Q443: Sulfidation usually creates:
A) Uniform corrosion.
B) Isolated pitting.
C)
Q444: What treatment is used to prevent boiler
Q445: Inspecting for high-cycle fatigue can be difficult
Q447: Resistance to sulfidation increases as the:
A) Chromium
Q448: Which of the following is not a
Q449: Corrosion from oxygen in boiler feed water
Q450: Sulfidation is primarily caused by:
A) Impacting particles.
B)
Q451: Mechanical fatigue can cause cracks that initiate
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