Air cleaners that use high-voltage DC current to ionize particles in the air and attract them to oppositely charged plates are a type of:

A) Ionizing-plate air cleaner. B) Electro-mechanical particle arrester.
C) Ultraviolet air sterilizer. D) Electrostatic air cleaner.


A

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For machined parts, the amount of variation, or ____________________, might be relatively small.

Fill in the blank(s) with the appropriate word(s).

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Estimate the residence time of carbon assuming the CO2 flow rate to the atmosphere is approximately equal to the flow due to decomposition and combustion of terrestrial organic matter and from animal respiration is 50 x 1012 kg(C)/year.

What will be an ideal response?

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Which of the following is LEAST-likely a component of the clutch?

A. Flywheel B. Pressure plate C. Shim D. Clutch disc

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Benefit cost analysis

What will be an ideal response?

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