The PCV (positive crankcase ventilation) system helps to reduce which of these exhaust gases?
A) HC B) CO C) D) Both HC and CO
D
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Which spinal cord structure(s) contains the axons of CNS motor neurons that control muscles and glands?
A) anterior gray commissure B) white column C) ventral roots D) dorsal roots E) ventral horns
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What does a transformer do?
A) Changes an electrical signal into a mechanical action B) Increases or decreases incoming voltage C) Transforms AC current to DC current D) Transforms DC current to AC current
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Which is the most important piece of safety equipment a technician can wear?
A. steel toed shoes B. back brace C. safety glasses or goggles D. ear protection
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The ____ command is used to create a new directory.
A. cdir B. cd C. mkdir D. mk
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