_______________ is the process of breaking down a substance by microorganisms in the absence of oxygen
Fill in the blank(s) with the appropriate word(s).
Fermentation
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A coupling failure is often dangerous because of ______.
a. fire b. vibration c. a blown fuse d. flying shrapnel
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Older shaft-mounted rocker arms are usually made of cast iron.
Answer the following statement true (T) or false (F)
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On structural steel beam details, any open hole for which no size is indicated is assumed to be what diameter?
What will be an ideal response?
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Which of the following is not part of the UTQG system?
A) Traction B) Temperature C) Speed rating D) Treadwear
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