Protective materials are identified by a _____ color-code.
a. yellow
b. green
c. bright blue
d. deep purple
c. bright blue
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Describe the purpose of valves in industrial applications.
What will be an ideal response?
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Which type of gear may be found in a rear-wheel-drive axle?
A) Spiral bevel B) Spur C) Hypoid D) Helical
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Read the setting on the vernier scale in the accompanying figure.
What will be an ideal response?
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Alcohols, methane and organic acids of various kinds often accumulate as a result of ________ decomposition of residues in soil
A) abiotic B) nitrogen-limited C) anaerobic D) acidic E) fungal
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