Correct Answer - Option 3 : Hot cracks
Explanation:
A casting defect is an irregularity in the metal casting process that is undesired.
Classification of casting defects is given as:
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Casting defects
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Surface Defect
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Internal Defect
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Visible Defects
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Blow
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Blow holes
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Wash
|
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Scar
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Porosity
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Rat tail
|
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Blister
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Pin holes
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Swell
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Drop
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Inclusions
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Misrun
|
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Scab
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Dross
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Cold shut
|
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Penetration
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Hot tear
|
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Buckle
|
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Shrinkage/Shift
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