In HF Service, Carbon Steel Forms a Protective _________ Scale

question 363

Multiple Choice

In HF service, carbon steel forms a protective _________ scale in dry concentrated acid. Loss of the protective scale through high velocities or turbulence will result in greatly accelerated corrosion rates.

• A) Chloride
• B) Fluoride
• C) Iron sulfide
• D) Iron oxide

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Definitions:

Side Effect

An unintended and usually adverse effect of a drug or therapy that occurs in addition to the desired therapeutic effect.

Demerol

A brand name for meperidine, a narcotic analgesic used to treat moderate to severe pain.

Morphine IV

Intravenous administration of morphine, a powerful opiate used for severe pain management.

Furosemide

A loop diuretic medication often used to treat fluid build-up due to heart failure, liver scarring, or kidney disease by promoting urine production.