which level of transformer oil has got low dielectric strength ?why?

2 Answers  

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pls send me some question and answer for rrb railway interviw related 2010

2 Answers   CEAT, RRB,

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Caliculate the Specific Fuel consumption of 320 kva diesel genarator set?

3 Answers   AllTech, RRB,

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What do you mean by lighting transformer?

0 Answers  

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how can motor both beasrings insulation resistance can be check?

0 Answers   GE,

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Why Ferranti effect not occurs at full load?

4 Answers   L&T,

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any one can explain what is the size of pvc,armoured, various sizes of powr cable dia?

0 Answers  

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What happen if we have run 415 V,50Hz designed motor at on 480V,60HZ

8 Answers  

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When and where resistance earthing is used ? How to calculate the time constant for earth fault

0 Answers  

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if we install two earth pits with a clear space of 5m without any interconnection,by checking the digital multimeter will it show continuity between earth pits? If so what would be the approx. value

0 Answers  

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how df/dt relay operates & how it works?

1 Answers  

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why the single phse machine can not run by the three phase supply.

2 Answers  

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