we have provided 30 mA rccb to water cooler.but we feel shock in cooler body.what is the reason?

3 Answers   FCC,

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i had aplied Hindustan Petroleum corporation limited for the post of maintenance technician -Electrical,i want model questions,if anybody have please send it or please advice?

0 Answers  

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 where the Motorized mccb to be used? In Motor control center panel starters ,it is use full. please answer  

1 Answers   Voltas,

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what is the right method of laying cable tray if we are using EOT crane in shed, better is below or up

1 Answers  

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what is the impedance voltage of transformer?

1 Answers   AVI Enterprises, MacLellan,

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why indian power system having 11.22,33 KV ???

6 Answers   Titan,

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how to control dc motor?

0 Answers  

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How to implement 6 output with 3 input NAND gate?

1 Answers  

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what happens when back feeding supply accidently collapses with normal supply ??? How?? [that is sometimes in a substation 11kv feeder if their ws long time permit work, back feeding supply will provide from nearest substation... if accidently after the permit work,they charged the feeder without removing back feeding wat will happen...?]

1 Answers   KSEB,

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What is the breaking capacity of transformer and how can we calculate the breaking capacity of tranformer

0 Answers   Siemens,

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some time we open engine breaker 8.0 MW load but plant not trip. and another time engine open 4.0 MW load engine trip why? individually engine breaker open & individually emergency stop why difference?

0 Answers  

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what is the VA(Voltampire)? define with calculation?

4 Answers  

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