603/4
Weight
Exercise
5
18.
A. (par. 5.6)
5
19.
A. (pars. 5.6., 5.7)
5
20.
C. (pars. 5.2, 5.5; table VIII)
Coalburning steam locomotives use more fuel per train
than oilburning steam locomotives; also a 10 percent
reserve is allowed for coal and only 5 percent for oil
because the loss in heat energy is more when using coal
than when using oil.
15
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