When choosing a contactor to operate a compressor, which amperage rating is used?
a. The inductive amps rating listed on the side of the contactor.
b. The resistive amps rating listed on the side of the contactor.
c. It doesn’t matter as long as it is above the compressor RLA
a. The inductive amps rating listed on the side of the contactor.
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A. disk mirroring B. disk striping C. disk duplexing D. disk coding
A commercially available three-phase inductive motor operates at a full load of 120 hp (1 hp = 746 W) at 95% efficiency at a lagging power factor of 0.707. The motor is connected in parallel to a 80-kW balanced three-phase heater at unity power factor. If the magnitude of the line voltage is 480 V (rms), calculate the line current.
What will be an ideal response?
Every 800 number has a ten-digit telephone number associated with it and, when called, is routed to that number
Indicate whether the statement is true or false
Transformers ________
A) convert a higher voltage into a lower voltage B) match the impedance of a source to the impedance of a load C) convert a lower current into a higher current D) all of these