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ITI
Welder
Welder Set-1
Repair and Maintenance
Repair and Maintenance MCQ with Answers
31)
What defect occur while grinding or scratching action of hard particle on metal part?
Erosion
Abrasion
Impact
Friction
Answer
Answer is:
Abrasion
32)
How does a metal part looks like, if it gets oxidised?
Corroded
Rusted
Abrasion
Eroded
Answer
Answer is:
Rusted
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