Corrosion Engineering Multiple Choice Online Exam Quiz
Corrosion Engineering Multiple Choice GK Quiz. Question and Answers related to Corrosion Engineering Multiple Choice. MCQ (Multiple Choice Questions with answers about Corrosion Engineering Multiple Choice
Calculate the corrosion penetration rate of iron that corroding at an electrochemical corrosion rate of 1 microampere/sq. centimeters?
Options
A : 0.212 mpy
B : 0.11 mpy
C : 0.46 mpy
D : 0.64 mpy
Which of the following factors are considered to evaluate the paint test?
Options
A : Appearance of coating
B : Presence and extent of corrosion
C : Under film corrosion
D : The appearance of coating, presence, and extent of corrosion and under film corrosion
Which of the following metals in which corrosion decreases with an increase in temperature in oxygenated corrosive solutions?
Options
A : Copper and its alloys
B : Steels
C : Cast irons
D : Aluminum and its alloys
Which of the following expression is used for electrochemical techniques to determine the corrosion penetration rate?
Options
A : Corrosion penetration rate = K (ai/D)
B : Corrosion penetration rate = K (ai/nD)
C : Corrosion penetration rate = (ai/nD)
D : Corrosion penetration rate = (ai/nD)
Which of the following units are used in terms of penetration of pits on a metal?
Options
A : Milligram sq. decimeter per day (MDD)
B : Mils per year (MPY)
C : Both MDD and MPY
D : Neither MDD nor MPY
Which of the following standard expression is used to measure the corrosion rate of a metal?
Options
A : Mils per year = W/DAT
B : Mils per year = 534W/DAT
C : Milligrams decimeter per day = 534W/DAT
D : Milligrams decimeter per day = W/DAT
Which of the following method is the best approach to report the results of the pitting corrosion test?
Options
A : Reporting the number of pits per unit area
B : Reporting maximum depth of a pit
C : Reporting average depth of pits
D : Reporting weight loss of a metal
Which of the following is/are the factors that affect corrosion testing?
Options
A : Temperature
B : Dissolved oxygen
C : Nature of metal
D : Temperature, dissolved oxygen, and nature of metal
The Corrodibility of the metal in a corrosion test may decrease or increase as a function of time.
Options
A : True
B : False
C :
D :
Which of the following is/are the corrosion testing’s for stainless steels?
Options
A : Warren test
B : Streicher test
C : Huey test
D : Warren test, Streicher test and huey test
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