in , an impressed external current is applied in the opposite direction to the metal to nullify the corrosion current

Related MCQs

• 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
• in galvanic corrosion, as the area of anode metal decreases with respect to cathode area of metal, the corrosion rate            
• 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
• in corrosion prevention, the metal to be protected from corrosion is forced to behace like cathode in protection method
• corrosion inhibitors are used to protect the metal from corrosion. This statement is
• in hot dipping method of metal coating, which metal is coated on the steel to protect from corrosion ?
• corrosion inhibitors are the chemicals that react with the metal surface, gets absorb and form a thin film on metal . This statement is
• corrosion inhibitors are applied on the metal by electroplating process. Te statement is
•                      is the advantage of impressed current method of cathodic protection
•                  is the limitation of impressed current method of cathodic protection