Weight
2
c. The flangeways be at least 2 1/2 inches deep.
2
d. Flangeways be no wider than 2 inches.
2
e. The highway cross the tracks on a tangent.
8.
It is up to you to decide where guard rails should be located. You recommend that they be
installed:
2
a. On a main-line track passing a station platform on an extremely sharp curve.
2
b. On an open-floor deck bridge 30 feet long carrying two yard tracks around a 5-degree
curve.
2
c. On a siding which narrowly clears a warehouse wall.
2
d. At the entrance to a 3,500-foot tunnel approached on a 1-degree curve.
2
e. In a through cut on a high-speed main line which makes a 2-degree curve.
9.
Excessive weed growth may result in:
2
a. Loss of surface.
2
b. Rotted ties.
2
c. Decreased drainage.
2
d. Slope erosion.
2
e. Ballast contamination.
10. Proper precautions or maintenance techniques to be followed in winter are to:
2
a. Remove ballast from cribs under switch points.
2
b. Remove ice from flangeways in turnout frogs with a salt-water solution.
2
c. Tamp heaved track to correct its poor surface.
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