Which of these would be considered a high efficiency filter for use in a clean room or healthcare facility? Select all that apply.

A) Electrostatic precipitator.
B) HEPA filter.
C) ULPA filter.
D) Bag filter with throw-away prefilter.


B) HEPA filter. and C) ULPA filter.

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A good rule of thumb is when a(n) ____________________ is large enough to catch a fingernail moving upward, the engine is a candidate for a rebore and new oversized pistons and rings.

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

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?Which of the following engine manufacturers uses twin actuator EUIs in their post-2013 MY EPA compliant engines? 

A. ?Paccar B. ?Mack Trucks C. ?Detroit Diesel D. ?Cummins

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For most practical purposes, the ____ of a photoconductive device is generally considered to be zero.

a. dark current b. light current c. voltage drop d. resistance

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The Continental Teves Mk60/Mk70, system has hydraulic brake assist that increases pressure to the brakes whenever a(an)  ____ is detected through the brake pedal sensor.

A. object in the road ahead B. panic stop C. positive wheel slip D. negative wheel slip

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