Corrosion Engineering Eight Forms Pitting Corrosion Online Exam Quiz
Corrosion Engineering Eight Forms Pitting Corrosion GK Quiz. Question and Answers related to Corrosion Engineering Eight Forms Pitting Corrosion. MCQ (Multiple Choice Questions with answers about Corrosion Engineering Eight Forms Pitting Corrosion
Which of the following metal is highly prone to pitting corrosion?
Options
A : 18-8 stainless steel by sulfuric acid with FeCl3
B : Titanium by sulfuric acid with FeCl3
C : Nickel by sulfuric acid with FeCl3
D : Copper by sulfuric acid with FeCl3
Which of the following statement is correct regarding pitting corrosion?
Options
A : Adjacent surfaces cathodically protect pits
B : Pits cathodically protect adjacent surfaces
C : Neither pits nor adjacent surfaces protect each other
D : Both pits and adjacent surfaces protect each other
Which of the following is/are the difference between the crevice and pitting corrosion?
Options
A : Autocatalytic nature
B : Corrosion mechanism
C : Initiation method
D : Both the corrosion mechanism and initiation method
Which of the following is the characteristic of a pit?
Options
A : Cavity with the surface diameter about the less than the depth
B : Cavity with the surface diameter about the same as or less than the depth
C : Cavity with the surface diameter about the same as or high than the depth
D : Cavity with the surface diameter about the high than the depth
Which of the following ions have a high tendency to pitting corrosion?
Options
A : Chlorides
B : Bromides
C : Hypo chlorites
D : Chlorides, bromides, and hypochlorites
Which of the following corrosion form is depicted in the given figure?
Options
A : Crevice corrosion
B : Uniform corrosion
C : Intergranular corrosion
D : Pitting corrosion
Pitting usually requires an incubation period ranges from months to years.
Options
A : False
B : True
C :
D :
Which of the following corrosion form is considered as the intermediate stage between uniform corrosion and complete corrosion resistance?
Options
A : Galvanic corrosion
B : Pitting corrosion
C : Intergranular corrosion
D : Erosion corrosion
Which of the following ions, that can reduce pitting corrosion?
Options
A : Hydroxide salts
B : Chromate salts
C : Silicate salts
D : Hydroxide, chromate and silicate salts
Which of the following corrosion form is/are autocatalytic in nature?
Options
A : Pitting and crevice corrosion
B : Crevice corrosion only
C : Pitting corrosion only
D : Pitting and intergranular corrosion
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