LOW PRESSURE LICENSING EXAM Question and answers already passed 2023/2024
LOW PRESSURE LICENSING EXAM Question and answers already passed 2023/2024 What is the result of accumulation of large amounts of dissolved minerals such as calcium and magnesium on the boiler heating surface? a) Caustic embrittlement b) Scale c) Pitting d) Corrosion - correct answer b) Scale Feedwater is heated to remove _____ from the boiler water to prevent corrosion. a) Oxygen b) CO2 c) Hydrogen d) Scale - correct answer a) Oxygen _____ draft is air that is pulled through the boiler by a fan. a) Induced b) Natural c) Forced d) Combination - correct answer a) Induced Name the boiler that has water in the tubes and combustion gases around the tubes. a) Firetube b) HRT c) Cast iron sectional
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