which of the following is essential requirement for the galvanic corrosion to occur ?

Related MCQs

• in galvanic corrosion, as the area of anode metal decreases with respect to cathode area of metal, the corrosion rate            
• galvanic corrosion is a highly localized corrosion, the statement is                           
• which of the following methods are used ot reduce galvanic corrosion ?
• galvanic corrosion is also known as
• in metallic coating of metals afford galvanic protection to the steel
• 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
• in corrosion prevention, the metal to be protected from corrosion is forced to behace like cathode in protection method
• in protection method, the part of metal to be protected from corrosion is made anodic by passing an impressed direct current in the same direction as that of corrosion current