

MCQOPTIONS
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1. |
Lead of crossing is the distance from the |
A. | Heel of the switch to the toe of the switch |
B. | Heel of the switch to the theoretical nose of the crossing |
C. | Toe of the switch to the theoretical nose of crossing |
D. | Toe of the switch to the actual nose of crossing |
Answer» C. Toe of the switch to the theoretical nose of crossing | |