Weight
Exercise
4
12. D. (par. 1.4a)
4
13.
B. (par. 1.6d)
4
14. D. (par. 1.4)
4
15. C. (par. 1.6)
4
16.
B. (par. 1.5)
E = 3.4
4
17. C. (par. 1.2)
Low traffic density on a line requires less maintenance.
4
18.
B. (par. 1.5)
To find percent of grade, divide the vertical rise by the horizontal length of
the grade and multiply by 100.
4
19.
B. (par. 1.6)
No reason for adopting the U.S. standard gage is known.
LESSON 2
Weight
Exercise
Weight
Exercise
3
1.
F. (par. 2.5a, d)
2
6.
a. T. (par. 2.10b(3))
3
2.
T. (par. 2.6)
2
b. T. (par. 2.10a)
3
3.
F. (par. 2.14)
2
c. T. (par. 2.10b(4))
3
4.
F. (par. 2.14)
2
d. F. (par. 2.3e)
3
5.
F. (par. 2.14a)
2
e. T. (par. 2.10b)
2
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