The solid oxide fuel cell is used to ____.
A. power a traction motor
B. replace the alternator
C. produce carbon monoxide
D. store hydrogen
Answer: B
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The FEA method is founded on dividing the part into small pieces, each of which is known as a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
Bill has 120 pecan trees that yielded 45 pounds of pecans per tree. Three-fourths of the pecans are sold as shelled nuts. A storm damaged four trees, which he cut into logs. He had four logs 12 feet long with a 32-inch diameter at the small end and three logs 8 feet long with a 22-inch diameter at the small end. He used the Doyle log rule to find the approximate number of board feet of usable lumber in the logs.
Doyle log rule formula: 
Where: BF is the approximate board feet of usable lumber in a log.
d is the diameter of the small end of the log, in.
l is the length of the log, ft.
a. How many pounds of pecans were harvested? (Note: The trees that were damaged did not have pecans.)
b. How many pounds of pecans were sold as shelled pecans?
c. How many board feet of usable lumber were in the logs?
The term MOST-Likely used to describe the frequency with which a body vibrates is:
A. amplitude B. vibration C. whine D. resonant
A strong steel safety cable used to connect two compressed-air hoses, or a hose and tools, is called a _____
a. backlash preventer b. guard cable c. tool lockdown d. whip check