when grain voundary becomes sucseptible to corrosion, due to chromium carbide in stainles steel, this stage of metal is known as

Related MCQs

• in case of intergranular corrosion, when grain boundary become ric in chromium then the % of chromium at the depleted region will become                 
• the chemical formula for chromium carbide which precipitate at grain boundary due to sensitization is                       
• due to difference in electrode potential at grain and grain boundaries the type of corrosion which take place is known as               -
• in galvanic corrosion, as the area of anode metal decreases with respect to cathode area of metal, the corrosion rate            
• in hot dipping method of metal coating, which metal is coated on the steel to protect from corrosion ?
• 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
• 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
• corrosion inhibitors are used to protect the metal from corrosion. This statement is
• corrosion inhibitors are the chemicals that react with the metal surface, gets absorb and form a thin film on metal . This statement is