The three-phase motor does not require any current relays, potential relays, or a centrifugal switch because ________

A) it is a low-torque motor, and these relays would cause its torque to become too large
B) these switches are mainly used to control for overcurrent conditions
C) it has three equal windings instead of a start winding


C

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Uninsured costs for occupational injuries or deaths include _____.

a. pensions for dependents b. compensation for lost earnings c. cost to train replacement workers d. medical treatment

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To remain in charge of a company, a CEO must constantly change and adapt.

Answer the following statement true (T) or false (F)

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Tin-leads are most commonly used for ____.

A. food handling equipment B. plumbing C. commercial pipe production D. electrical connections

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If the emission levels on a 4-gas analyzer indicate that both O2 and HC are high and CO2 and CO are both low, what could this indicate?

A. a rich mixture B. a lean mixture C. the stoichiometric mixture D. none of the above

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