If D is the distance between parallel tracks G between theoretical noses of two crossings measured parallel to tracks, is
A)(D - G - G ?) cot ?
B)(D - G + G ?) cot ?
C)(D - G - G ?) tan ?
D)(D + G + G ?) cot ?

Question

Quizplus · Accepted Answer

The correct answer is A because the distance between parallel tracks G between theoretical noses of two crossings measured parallel to tracks is (D - G - G ?) cot ?.

If D Is the Distance Between Parallel Tracks G Between