Rails are bent to correct curvature if the degree of curve, is more th

1.	Rails are bent to correct curvature if the degree of curve, is more than
A.	1¬∞
B.	2¬∞
C.	3¬∞
D.	4¬∞
Answer» E.

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Rails are bent to correct curvature if the degree of curve, is more than

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