What are the four principal modes for moving freight? Which of these modes carries the largest share of ton-miles? Which carries the lowest?
What will be an ideal response?
The four principal modes for carrying freight are highways, railroads,
water, and pipeline. Of these four modes, railroads carry the highest share of tonmiles,
while water transportation carries the lowest share of ton-miles.
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Fire-escape stairs in contemporary buildings are generally constructed of prefabricated, U-shaped stairs with an intermediate landing between adjacent floors. How are they supported?
What will be an ideal response?
Select the human body temperature at which brain damage may occur:
A) 44ºC (111ºF) B) 43ºC (109ºF) C) 42ºC (108ºF) D) 41ºC (106ºF)
The summing op amp in the above figure performs the function of which element in a closed-loop system?
What will be an ideal response?
The first reason for Rome’s success lay in Rome’s location
a. on the eastern side of Italy, close to the Balkans. b. in the far south of Italy, far from the Etruscan heartland. c. in the north of Italy, close to trade routes with Gaul. d. on the western side of Italy, near the middle of the Italian peninsula.