The resistance of an AC magnetic device will have ________ resistance than Ohm's law predicts
A) a much lower B) a much higher C) the same
A
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A vehicle pulls to the right when driving straight ahead. Technician A says the right front tire may have excessive radial runout. Technician B says the right-front tire may have a conicity defect. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Circuit breakers trip because:
A) They sense someone receiving an electrical shock. B) They reach the end of their programmed operation cycle. C) They sense an overvoltage condition. D) They sense too much current.
Absorption chillers move refrigerant using
A) heat from steam, hot water, or gas B) reciprocating compressors C) large centrifugal compressors D) steam driven turbines
What type of loads are superimposed on the building through its use?
A. seismic B. dynamic C. dead D. live