Traditionally, seal shafts consisted of _____

a. rope or braided style packing in a stuffing box
b. O-rings and gaskets around a shaft
c. a spring-loaded shaft seal
d. a stuffing box packed with grease


a

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Tanto los motores de inducción como los sincrónicos funcionan con el principio de un campo ______ giratorio.

a. de impedancia b. magnético c. de capacitancia d. de reactancia

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_____ is against the code of sport hunters; they quickly tried to save species being exploited

a. Commercialization b. Endangered species c. Surplus wildlife d. Conservation

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A half-wave voltage doubler is made up of

A) two diodes and two capacitors B) one diode and two capacitors C) two diodes and one capacitor D) one diode and one capacitor

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Which term represents an online diagnostic information service designed to help the automotive service technician in diagnosing difficult problems? 

A. Identifix B. Ifixit C. Icracked D. Technicianonline

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