How many number of risers are required if we use chills with end chills if L is the length and T is the thickness of the plate in mm?

How many number of risers are required if we use chills with end chil

1.	How many number of risers are required if we use chills with end chills if L is the length and T is the thickness of the plate in mm?
A.	L⁄4T
B.
C.
D.
Answer» D.