2006. 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
✅ The correct answer is option B.

2010. Switch angle is the angle between___________________?

A. the gauge face of the stock rail and tongue rail
B. the outer face of the stock rail and tongue rail
C. the gauge face of the stock rail and outer face of the tongue rail
D. the outer face of the stock rail and the gauge face of the tongue rail
✅ The correct answer is option A.