Galvanic corrosion
A. Occurs in a bimetal couple
B. Occurs in highly stressed metallic parts only
C. Is exemplified by caustic embrittlement of boiler tubes
D. Is also called dezincification
Answer: Option A
Related Questions on Chemical Engineering Basics
Which of the following will resist maxi-mum shock & vibration without cracking?
A. Grey cast iron
B. White cast iron
C. Malleable iron
D. Graphite
A. Pulverised fuel
B. Travelling grate stoker firing
C. Circulating fluidised bed
D. Fluidised bed
Isotropic materials have the same __________ in all directions.
A. Induced stresses
B. Density
C. Elastic properties
D. Thermal properties
Join The Discussion