Hi to u all : Friends: Why when operate on 2 phase welding machine the power metr goes reverse ?? the meter is god on other loads. thanks

2 Answers   Gedco,

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why voltage between neutral and earth, with out secondary grounded distribution transformer

1 Answers   Wescosa,

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In winding design, the angle of chording (β) is nearly equal to A 45 degree B 60 degree C 30 degree D 90 degree

1 Answers   Reliance,

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what is form factor

2 Answers  

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What is current chopping in CB?

1 Answers  

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clarify types of motor operated valves and advantages

0 Answers  

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what is the acb tripping & closing voltage.

2 Answers  

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In simply words(not explain any formula )what do you mean by power factor.?

5 Answers   DRDO,

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Is the force acting between two parallel conductors of infinte length carrying AC of frequency 50Hz remians constant with respect of time? If not then what would be the frequency of the force acting?

1 Answers  

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how we decide wire gauge for ac or dc coil and what is the basic diff. B/w these two coil?

0 Answers  

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What are difference between earthing switch and earthing truck ? What is the operation philoshopy of earthing truck ? Wht are the component of earthing truck ?

2 Answers   Reliance,

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what is the safe meggar values for motor, transformer HT, LT and Cables?

12 Answers   IOCL, Jindal, TATA,

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