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Q. |
The track and ballast form the |
A. | temporary way |
B. | true way |
C. | rigid way |
D. | permanent way |
Answer» D. permanent way | |
Explanation: the permanent way is the elements of railway lines: generally the pairs of rails typically laid on the sleepers (“ties” in american parlance) embedded in ballast, intended to carry the ordinary trains of a railway. it is described as permanent way because in the earlier days of railway construction, contractors often laid a temporary track to transport spoil and materials about the site; when this work was substantially completed, the temporary track was taken up and the permanent way installed. |
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