Alternating current is current that constantly changes in voltage and ____________________.
Fill in the blank(s) with the appropriate word(s).
direction
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A ____ posture is associated with hard concussion or a pounding gait; it predisposes a horse to bone chips.
A. buck-kneed B. calf-kneed C. pigeon-toed D. straight-shouldered
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In addition to the standard contacts, a starter may be provided with externally attached auxiliary contacts, sometimes called ____________________.
Fill in the blank(s) with the appropriate word(s).
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Low- and high-pressure controls are physically located on which piece of equipment?
A. condensing unit B. air handler C. either a or b D. neither a nor b
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An oxygen level below ____% may result in unconsciousness.
A. 10 B. 13 C. 19 D. 25
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