The distance between theoretical nose of crossing and actual nose of crossing forpractical purposes, is

The distance between theoretical nose of crossing and actual nose of c

1.	The distance between theoretical nose of crossing and actual nose of crossing forpractical purposes, is
A.	Nose thickness ×
B.	Nose thickness ×
C.	Nose thickness ×
D.	Nose thickness ×
Answer» C. Nose thickness ×

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The distance between theoretical nose of crossing and actual nose of crossing forpractical purposes, is

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