on Testing System Service Technician II (Form FST-IIAR) Item Number Section/Category PREV Time Remai

on Testing System Service Technician II (Form FST-IIAR) Item Number Section/Category PREV Time Remaining NEXT 53 of 90 Electrical Theory and Control Circuits Unlimited Electrical bus bar connections must be inspected regularly for tightness because A. humidity tends to corrode bus bar connections. B. thermal expansion differences in the conductor and fastener naturally loosen tight bolts. C. copper and aluminum conductors naturally cold flow, reducing the compression of the electrical connection. D. most fasteners are magnetic and the alternating magnetic field loosens the screws or bolts. MacBook Air 20

 

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