Which energy source is NOT considered a form of conventional energy??
A. ?natural gas
B. ?propane
C. ?fuel oil
D. ?hydroelectric
Answer: D
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Steel-wire bar supports that offer no protection against rusting are designated as Class _____.
a. A b. B c. C d. D
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Two types of electronic air filter units include
A) active and passive B) statically charged and dynamically charged C) absorption and hyperbolic D) ionizing plate and charged media
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Full-face gaskets are used for _____
a. components that require a gasket in a unique shape b. raised-face flanges c. full-face flanges d. low-pressure applications only
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The slip compensation function causes the drive to __________ the frequency of its output when the load gets very large.
A. decrease B. increase
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