Shot blasting operation is mainly done to identify the type of defects in the casting part.(a) True(b) FalseThis question was posed to me in an internship interview.My doubt stems from Steps Involved In Making a Mold in division Mold and Mold Making of Casting-Forming-Welding I

Shot blasting operation is mainly done to identify the type of defects

1.	Shot blasting operation is mainly done to identify the type of defects in the casting part.(a) True(b) FalseThis question was posed to me in an internship interview.My doubt stems from Steps Involved In Making a Mold in division Mold and Mold Making of Casting-Forming-Welding I
Answer» CORRECT choice is (b) False Easiest explanation: After removing of casting part from the MOULD, the casting part is likely to have some sand PARTICLES and oxide layers which adhered to the surface. SHOT blasting is an operation which is mainly PERFORMED to remove any remaining sand particles, especially from internal surfaces. This process also reduces the surface roughness of the casting part.

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