To avoid lateral skidding and overturning on a horizontal curve, the centrifugal ratio should always be less than ___________.

To avoid lateral skidding and overturning on a horizontal curve, the c

1.	To avoid lateral skidding and overturning on a horizontal curve, the centrifugal ratio should always be less than ___________.
A.	e only
B.	f only
C.	\(\frac {b}{2h}\) only
D.	Both \(\frac {b}{2h}\) and f
Answer» E.