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- First Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q511 - General Subjects I
54. When securing a flash-type evaporator for an extended period of time, you should __________.
Complete draining prevents corrosion and scale formation during extended periods of inactivity. Stagnant water promotes corrosion and scale buildup; sealing the unit traps moisture, accelerating corrosion. Descaling compounds and salt water are corrosive and damage components. Therefore, complete draining is the correct procedure.
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