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measurement of frequency across supply

What is meant by "tampering detection" of a electrical energy meter?

3 Answers  

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Which motor isused in indian railway system?

3 Answers  

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if the supply frequency increases what happens to the motor load

2 Answers  

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what happend to DC shunt motor if its field winding insulation becomes slightly weak? will that motor can run on full load or not explain in detail. thanks

0 Answers   PCL,

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i ha done my 10th with 71% ,ITI with 81% 11th with 75% 12th 43% apprentiship with 71% in SAT i secure 1390 ,TOEFL 27 i was refused four times and in all me interview visa officar told that i am not Qualify for study in USA but i completed my 12th yes i got low persentage in my 12th but i seen to much student they already got visa with them 3 or 4 backlocs so why they are refused me ?

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working of bulb?

1 Answers  

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why the stator is not laminated in DC machines?

4 Answers  

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Which Motor used in Fan's Motor ?

3 Answers   Matsui Technologies,

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what is reactive and active power?why we need power factor correction?

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why we can use 1 to 5V dc

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why when i start my diesel generator it takes 1 minute or less then stop, and i checked the oil sensor is ok and when the generator start i can get 220 voltage but it it is stop after 1 minute or less, how can i solve this problem?

1 Answers  

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What must the distance between two MV cables be when they are laid on tray?

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