Engineering Chemistry Assessment Online Exam Quiz
Engineering Chemistry Assessment GK Quiz. Question and Answers related to Engineering Chemistry Assessment. MCQ (Multiple Choice Questions with answers about Engineering Chemistry Assessment
Which of the following is not an anodic inhibitor?
Options
A : Alkalis
B : Molybdates
C : Phosphates
D : Dicyclohexyl ammonium nitrile
Which of the following readily sublime and form a protective layer on the metal surface?
Options
A : Anodic inhibitor
B : Cathodic inhibitor
C : Volatile inhibitors
D : Non-volatile inhibitors
Electrochemical protection is ___________
Options
A : Anodic protection
B : Sacrificial Anodic protection
C : Impressed current cathodic protection
D : Cathodic protection
Which of the following method is adopted for preventing corrosion by salts?
Options
A : Deaeration
B : Removal by using ion-exchange resin
C : Neutralisation with lime
D : Dehumidification
Which of the following method is adopted for preventing corrosion by acids?
Options
A : Deaeration
B : Removal by using ion-exchange resin
C : Neutralisation with lime
D : Dehumidification
Which of the following method is adopted for preventing corrosion by moisture?
Options
A : Deaeration
B : Removal by using ion-exchange resin
C : Neutralisation with lime
D : Dehumidification
The organic or inorganic substances which when added to the environment are able to reduce the rate of corrosion are called ___________
Options
A : Inhibitors
B : Stimulants
C : Insulators
D : Stipulator
Magnesium is used in high resistivity electrolytes due to its ___________
Options
A : Neutral potential
B : Most positive potential
C : Most negative potential
D : Zero potential
The process by which Ta, Nb and Ti combine with carbon to form respective carbides and prevent corrosion is known as ___________
Options
A : Passivation
B : Neutralisation
C : Inhibition
D : Stimulation
Annealing is a heat treatment given to metals to ___________
Options
A : Prevent dezincification
B : Remove the residual stresses
C : Lower the sulphur content
D : Form a protective layer
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