Corrosion Engineering Eight Forms Erosion Corrosion Online Exam Quiz
Corrosion Engineering Eight Forms Erosion Corrosion GK Quiz. Question and Answers related to Corrosion Engineering Eight Forms Erosion Corrosion. MCQ (Multiple Choice Questions with answers about Corrosion Engineering Eight Forms Erosion Corrosion
Which of the following metal shows a decrease in corrosion attack with an increase in velocity in fuming nitric acid?
Options
A : Aluminum
B : Carbon steel
C : Stainless steel 347
D : Copper
Which of the following metals is/are susceptible to erosion-corrosion?
Options
A : Aluminum
B : Lead
C : Stainless steel
D : Aluminum, lead and stainless steel
Which of the following metal is resistant to seawater, chlorides, and fuming nitric acid?
Options
A : Aluminum
B : Lead
C : Titanium
D : Stainless steel
Which of the following is/are the aspects of alteration of the environment to minimize erosion-corrosion?
Options
A : Deaeration of corrosive solution
B : Decrease the temperature
C : Use of Settling and filtration to remove suspended solids
D : Deaeration of the corrosive solution, decrease the temperature and use of settling and filtration to remove suspended solids
Which of the following type of directional patterns usually exhibit by erosion-corrosion?
Options
A : Grooves
B : Waves
C : Rounded holes
D : Grooves, waves and rounded holes
Which of the following is/are the characteristics of oxide film that exhibits better resistance to erosion-corrosion?
Options
A : Hard
B : Dense
C : Adherent
D : Hard, dense and adherent
Which of the following type of equipment is/are highly prone to erosion-corrosion?
Options
A : In piping arrangements at elbows and bends
B : Measuring devices such as orifice and turbine blades
C : In piping arrangements at straight lines
D : In piping arrangements at elbows and bends and measuring devices such as orifice and turbine blades
Which of the following is/are the aspects of design to minimize erosion-corrosion?
Options
A : Increasing pipe diameter
B : Avoiding sharp edges and turnings
C : Readily replaceable impingement plates should be inserted
D : Increasing pipe diameter, avoiding sharp edges and turnings and readily replaceable impingement plates should be inserted
Which of the following is/are the preventions of erosion-corrosion?
Options
A : Selection of better resistant materials
B : Alteration of the environment
C : Applying protective coatings
D : Selection of better resistant materials, alteration of the environment and applying protective coatings
Which of the following characteristics of titanium, makes it resistant to erosion-corrosion?
Options
A : Stability of titanium oxide
B : Instability of titanium oxide
C : The low reactivity of titanium
D : The low reactivity of titanium and instability of titanium oxide
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