_ In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.$?

_ In a four high rolling mill, the diameter of backing up rolls is ___

1.	_ In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.$?
A.	Equal to
B.	Smaller than
C.	Larger than
D.	None of these
Answer» D. None of these