MCQOPTIONS
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| 1. |
The correct relation between curve lead (CL), switch lead (SL) and lead of crossing (L) is given by |
| A. | CL = L - SL |
| B. | L =CL - SL |
| C. | SL = L + CL |
| D. | L = (CL + SL)/2 |
| Answer» C. SL = L + CL | |