250+ TOP MCQs on The Corrosion Process and Answers

Petroleum Production Operations Multiple Choice Questions on “The Corrosion Process”.

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1. What is the name of wet corrosion?
a) Oxidation reaction
b) Liquid metal corrosion
c) Chemical cell
d) Electrochemical cell
Answer: d
Clarification: Wet corrosion is also known as electrochemical corrosion. The Corrosion that happened due to the conducting liquid that is in contact with the cathodic areas, as well as the anodic areas, is called wet corrosion.

2. Which of the following is not responsible for the corrosion in the oilfield equipment?
a) Hydrogen Sulfide
b) HCl
c) Br
d) Oxygen
Answer: c
Clarification: The element that is not responsible for the corrosion in the oilfield equipment is Br. But the chemicals that are responsible for the corrosion is hydrogen sulfide, HCl i.e. Hydrochloric acid, and oxygen as the given choices.

3. What is the name of Dry corrosion?
a) Chemical corrosion
b) Galvanic corrosion
c) Oxidation corrosion
d) Wet corrosion
Answer: a
Clarification: Dry corrosion is also known as chemical corrosion. Dry corrosion occurs when there is neither moisture nor water to help in the corrosion process. Corrosion is divided into two types; wet corrosion and dry corrosion.

4. Corrosion can also affect the CAPEX and OPEX.
a) True
b) False
Answer: a
Clarification: The statement is true. Corrosion can also affect the CAPEX and OPEX. The full form of CAPEX is Capital Expenditure and the full form of OPEX is Operating Expenditure.

5. The Anhydrous inorganic liquid metal surface in the absence of any type of moisture undergoes Galvanic corrosion.
a) True
b) False
Answer: b
Clarification: The statement is false. The gases that are found in the atmosphere undergo the dry corrosion process. The surface of the anhydrous inorganic liquid metal experiences the corrosion is known as Dry corrosion when there doesn’t exist any type of moisture.