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Questions and Answers
Corrosion of steel structures is a(n)
Corrosion of steel structures is a(n)
- Abrading process
- Electrochemical Process (correct)
- Rare occurance
- Uniform Process
In order for a corrosion cell to occur, there must be areas with different:
In order for a corrosion cell to occur, there must be areas with different:
- Crystalline structures
- electric potentials (correct)
- hardness
- materials
Which of the following is not a component of a corrosion cell?
Which of the following is not a component of a corrosion cell?
- Anode
- Electrode (correct)
- Metallic path
- Cathode
In a corrosion cell, where does the corrosion occur?
In a corrosion cell, where does the corrosion occur?
In a corrosion cell, where does the corrosion not occur?
In a corrosion cell, where does the corrosion not occur?
Moist soil under a tank floor is what part of a corrosion cell?
Moist soil under a tank floor is what part of a corrosion cell?
What is a common electrolyte on the inside of the tank?
What is a common electrolyte on the inside of the tank?
How does uniform corrosion occur?
How does uniform corrosion occur?
When corrosion cells are larger, the type of degradation that can occur is:
When corrosion cells are larger, the type of degradation that can occur is:
When a tank floor is in contact with a piece of clay, what causes soil side corrosion
When a tank floor is in contact with a piece of clay, what causes soil side corrosion
What causes the electrical potential for galvanic corrosion
What causes the electrical potential for galvanic corrosion
Internal corrosion of a tank in hydrocarbon service is normally the result of
Internal corrosion of a tank in hydrocarbon service is normally the result of
as soil resistivity increases, the:
as soil resistivity increases, the:
Clean sand should be used in the pad. washing sand with municipal water may not be acceptable because of:
Clean sand should be used in the pad. washing sand with municipal water may not be acceptable because of:
the corrosion rate of the tank floor increases when the soil pH is
the corrosion rate of the tank floor increases when the soil pH is
Pitting corrosion on steel begins to occur when the chloride levels reach:
Pitting corrosion on steel begins to occur when the chloride levels reach:
Which of the following is an advantage of a galvanic CP system
Which of the following is an advantage of a galvanic CP system
The effectiveness of a CP system should be checked with cathodic protections surveys that are performed every:
The effectiveness of a CP system should be checked with cathodic protections surveys that are performed every:
