Shrinkage cavities are compensated by ___________(a) Providing proper chill techniques to the casting(b) Providing proper feeding of liquid to the casting(c) Using specific risers(d) Using proper ramming during solidificationI got this question in an interview for job.My question comes from Classification of Defects & Factors Affecting Salvage of Castings in division Salvage of Defective Castings of Casting-Forming-Welding I

Shrinkage cavities are compensated by ___________(a) Providing proper

1.	Shrinkage cavities are compensated by ___________(a) Providing proper chill techniques to the casting(b) Providing proper feeding of liquid to the casting(c) Using specific risers(d) Using proper ramming during solidificationI got this question in an interview for job.My question comes from Classification of Defects & Factors Affecting Salvage of Castings in division Salvage of Defective Castings of Casting-Forming-Welding I
Answer» CORRECT CHOICE is (b) Providing proper feeding of liquid to the casting Easy explanation: Shrinkage cavities are FORMED due to volume decreasing phenomena while solidification of liquids. Proper liquid metal FEED is GIVEN to reduce the effect of shrinkage.

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