Difference between copper earthing & aluminium earthing?

2 Answers  

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what is earthing

1 Answers  

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Is it required to use 2 nos of body earthings to any machine though if we use TP with E supply is provided to Machine?

2 Answers   HAL,

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whye the current increases in the motor when the load on the motor increases

3 Answers  

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what the main difference of the 3 phase and 2 phase power supply??

3 Answers  

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explain the functions of main isolation switches

0 Answers   Zesa,

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what do you mean by leading power factor & lagging power factor

13 Answers   Suzlon,

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Can we use 1.1x 2 split air-conditioning at a same time in 2kw power loadar

1 Answers  

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Why Transistors are not used as switching devices?

15 Answers  

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what is the ms flat constant for calculating earth mat design calculation?

0 Answers  

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explain about the electrification in the Indian Railways? ie., how the power is taken and used to drive the train? explain with the block diagram??

1 Answers  

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How to select Main CB Rating for 187 KW Load?

6 Answers  

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