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Plumber
Plumber Set-1
Fitting - 2. Basic Fitting Operation
Fitting - 2. Basic Fitting Operation MCQ with Answers
16)
What is the localised formation as cavities or pores on stainless steel due to salty water condition?
Scaling
Rusting
Pitting
Ersion
Answer
Answer is:
Pitting
17)
What is the defect on metal plate with discontinuity or flat and thin subsurface separation on its thickness?
Scaling
Rusting
Erosion
Lamination
Answer
Answer is:
Lamination
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