Dental During casting procedures, creation of a hot spot indicates : A The presence of reservoir resulting in delayed solidification of the metal. B Sprue former is attached at right angle. C The length of sprue is too long resulting in the ready flow of molten metal. D Use of too high temperature resulting in localized disintegration of metal. 💡 Explanation During casting procedures, creation of a hot spot indicates : ✓ Correct Answer: B. Sprue former is attached at right angle.