Civil Engineering MCQJE Level Civil Engineering
While reviewing rusting of iron, which conclusion is correct? Avoid the common trap that painting always accelerates rusting.
Physics and ChemistryCorrosionMEDIUM
Choose the correct answer
A
painting always accelerates rusting
B
corrosion is independent of environment
C
rusting occurs only in dry nitrogen
D
oxygen and moisture promote rusting
Correct Answer
D. oxygen and moisture promote rusting
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Rusting needs electrochemical conditions with moisture and oxygen. Correct option: D.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.