Corrosion Rate Expression Online Exam Quiz
Corrosion Rate Expression GK Quiz. Question and Answers related to Corrosion Rate Expression. MCQ (Multiple Choice Questions with answers about Corrosion Rate Expression
___ is used to measure the extent of uniform corrosion.
Options
A : MDD
B : MPY
C : Both MPY and MDD
D : MPE
___ is/are used to measure the extent of pitting corrosion.
Options
A : MPY
B : MDD
C : Both MPY and MDD
D : MPK
___ will occur, if current pass from an electrode to electrolyte.
Options
A : Oxidation
B : Reduction
C : Oxidation and reduction
D : Anion formation
Corrosion rate of aluminum is ___ when compared with corrosion of mild steel in open oxygenated atmosphere.
Options
A : small
B : medium
C : large
D : very small
Iron is corroding at a current density of 1.69*10-4 amp/cm2. What would be the corrosion rate in MDD?
Options
A : 773
B : 723
C : 423
D : 473
Iron is corroding at a current density of 1.69*10-4 amp/cm2. What would be the corrosion rate in MPY?
Options
A : 423
B : 77
C : 473
D : 97
MDD in corrosion is abbreviated as __
Options
A : milligrams/sq. decimeter/decade
B : millimeters/sq. decimeter/day
C : milligrams/sq. decimeter/day
D : microns/decimeter/decade
MPY is used to measure weight loss per unit area.
Options
A : TRUE
B : FALSE
C : -
D : -
Oxidizing impurities in electrolyte increases the corrosion rate.
Options
A : TRUE
B : FALSE
C : -
D : -
Rate of oxidation is equals to the rate of reduction in corrosion.
Options
A : TRUE
B : FALSE
C : -
D : -
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