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What is meant by load on a motor?

It is basically the work the motor is doing. In your car the motor turns the crankshaft which in turn moves the car. The resistance applied by the crankshaft against the job o (MORE)

What is the advantage of a digital wattmeter over analog wattmeter?

Answer   The true advantage of digital wattmeters over electromechnical wattmeters is the cost to operate the meter. Also, virtually all digital meters can emitt a radio (MORE)

What is phantom?

1.a. Something apparently seen, heard, or sensed, but having no physical reality; a ghost or an apparition.b. Something elusive or delusive.2. An image that appears only in th (MORE)

What is calibration?

  Calibration is the validation of specific measurement techniques and equipment. At the simplest level, calibration is a comparison between measurements-one of known magn (MORE)

What are the uses of wattmeter?

  Wattmeter is an intrument which is used to measure the power consumption of an Electric circuit or an appliance which is connected to the supply in terms of Watts.
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What is meant by loading and unloading in air compressor?

In an air compressor, there are devices that automatically stops the compressor from compressing air. A mechanical unloader is sometimes installed in large air compressors suc (MORE)
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What are calibrations?

Calibration is the validation of specific measurement techniques and equipment. At the simplest level, calibration is a comparison between measurements-one of known magnitude (MORE)
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What is meant by phantom loading?

  The phantom loading is that no external load is connected in actual sense and the current and pressure coils are connected seperatly so that it will consume only less po (MORE)

How measure 3phase power without wattmeter?

Take the current average of the three lines.   Ex.   Phase A = 10Amps   Phase B = 9 Amps   Phase C = 11 Amps   Average = 10Amps    Take the voltage (MORE)