Rotary furnaces are not suitable for large sized foundries in the production of castings.(a) True(b) FalseI have been asked this question by my school teacher while I was bunking the class.My doubt is from Selection of Remelting Furnace topic in chapter Metal Furnace and Practice of Casting-Forming-Welding II

Rotary furnaces are not suitable for large sized foundries in the prod

1.	Rotary furnaces are not suitable for large sized foundries in the production of castings.(a) True(b) FalseI have been asked this question by my school teacher while I was bunking the class.My doubt is from Selection of Remelting Furnace topic in chapter Metal Furnace and Practice of Casting-Forming-Welding II
Answer» CORRECT option is (a) True Explanation: Rotary furnaces are MOSTLY USED for small and medium sized foundries which uses cupola or induction furnaces. They are highly efficient than the other TYPE of furnaces like reverb furnaces for small production. In these furnaces, heat transfer has occurred through both the radiation and direct contact between the molten metal and the refractory MATERIAL.

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