(Mark a "T" for true and an "F" for false.)
Broadening the gage of track on sharp curves prevents derailment.
Developments reduce the percent of grade at the expense of increasing the
The field side of a rail faces the centerline of the track.
A long train requires a long vertical curve.
Over a long distance, a change in the height of a rail line is described as a
A profile shows the horizontal alinement as well as the vertical curves of a
(Each question of this kind consists of a series of statements related to the
stem that precedes them. Indicate which are true and which false with respect
to the stem)
What limitation does the use of smooth flanged wheels rolling on steel rails
impose on a railroad? It:
Restricts it to a low tractive effort.
Restricts the roadbed to level terrain.
Requires it to use expensive installations to provide flexibility.
Restricts the number of cars per train.
Prohibits the use of superelevated track.
When you speak of a railroad's horizontal alinement, you are referring to its:
Curves and tangents.