For the functioning of the gating system, which of the following factors need not be controlled?
(a) Type of sprue
(b) Size of runner
(c) Temperature of molten metal
(d) Type of riser
This question was addressed to me in homework.
My doubt is from Functions of Gating Systems in division Pattern and Mould, Principles of Gating & Risering of Casting-Forming-Welding I