Corrosion Engineering Corrosion Prevention Inhibitors Online Exam Quiz
Corrosion Engineering Corrosion Prevention Inhibitors GK Quiz. Question and Answers related to Corrosion Engineering Corrosion Prevention Inhibitors. MCQ (Multiple Choice Questions with answers about Corrosion Engineering Corrosion Prevention Inhibitors
Which of the following inhibitor is used for aluminum in the hydrogen peroxide environment?
Options
A : 2% boron trifluoride
B : Alkali metal nitrates
C : Sodium silicate
D : Benzoic acid
Which of the following inhibitor is used for steel in 80% pure sulfuric acid?
Options
A : 2% boron trifluoride
B : Sodium silicate
C : Alkali metal nitrates
D : Benzoic acid
Which of the following is/are the types of inhibitors?
Options
A : Adsorption inhibitors
B : Scavengers
C : Vapor-phase inhibitors
D : Adsorption inhibitors, scavengers, and vapor-phase inhibitors
Which of the following phenomenon that occurs on metal surface during inhibition?
Options
A : Adsorption only
B : Adsorption and phase layers
C : Phase layers only
D : Neither adsorption nor phase layers
Which of the following is an example of adsorption-type inhibitors?
Options
A : Arsenic
B : Sodium sulfite
C : Organic amines
D : Chromates
Which of the following is/are the examples of scavengers?
Options
A : Arsenic and Antimony
B : Chromates and ferric salts
C : Sodium sulfite and hydrazine
D : Organic amines
Which of the following is/are the examples of Hydrogen-evolution poisons?
Options
A : Arsenic and Antimony
B : Sodium sulfite and hydrazine
C : Chromates and ferric salts
D : Organic amines
Oxidizers such as chromates, nitrates, and ferric salts inhibit the corrosion of metal and alloys that demonstrate active-passive transition.
Options
A : False
B : True
C :
D :
Which of the following phenomenon in which the inhibiting effect is sometimes greater than that would be achieved by either of the two or substances alone?
Options
A : Galvanic effect
B : Cathodic protection
C : Synergistic effect
D : Inhibiting effect
Which of the following is/are the limitations of inhibitors?
Options
A : It contaminates the environment
B : Inhibitors are toxic
C : Its efficiency decreases with time and temperature
D : It contaminates the environment, toxic in nature, and its efficiency decreases with time and temperature.
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