due to brakege of protective film the type of corrosion which takes palce is known as

Related MCQs

•                        is the phenomenon in which a metal or an alloy exibits higher corrosion resistabce than expected from its position in the electrochemical series by forming protective, thin, nonporous oxide film on the surface
•  the type of corrosion which takes place due to electrochemical reaction is known as
• due to formation of pinholes, pits and cavities in the metal, the type of corrosion which takes place is known as                                
• the protective coatings applied to prevent corrosion should have the property of
• in case of dry corroison if the protective film formed is porous                   
• when electrolyte is neutral acqueous solution or alkaline solution, the type of corrosion takes place is known as                           
• due to difference in electrode potential at grain and grain boundaries the type of corrosion which take place is known as               -
• in conducting corrosion the intensity of corrosion depends on                              
• in modification of corrosion environment,                technique resuces the moisture content of air in such a way that moisture should not condense on the metal surface causing corrosion
•                  method of corrosion prevention has widely ued in controlling the corrosion of refinery equipments