If D is the distance between parallel tracks G is the gauge and ? is angle of crossings, the distance between theoretical noses of two crossings measured parallel to tracks, is
Options
A. (D - G - G sec ?) cot ?
B. (D - G + G sec ?) cot ?
C. (D - G - G sec ?) tan ?
D. (D + G + G sec ?) cot ?
Correct Answer
(D - G - G sec ?) cot ?
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