due to collapse of vapours on walls of pipes it leads                       

Related MCQs

• the combined effect of abrading action of turbulent flow of gases, vapours liquids and mechanical rubbing action of solids over a
• due to non uniform and rapid cooling, welding, poor design, precipitation of second phase material leads to                  
• scratches, local straining of metal due to non- uniform stresses, sliding uncer load leads to
• due to difference in oxygen concentration at two different points it leads to                  
•                        coatings are very useful for protecting undergraound tanks and pipes from corrosion
• any sudden change in cross section leads to the formaiton of area
• residual stresses in materis leads to
• in stainless steel the precipitation of Cr carbides leads to             
• at a juction of two metals exposed to a corrosive environment is leads to
• because of diffusion of hydrogen into the metal, the metal becomes brittle that leads to failure of the component is knowna as