why voltage rating not mention at HPSV or HPMV lamps?

2 Answers   OPS,

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how did the testing of protection relays done through current injection

0 Answers   Bhel,

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Circuit diagram of tube light without starter using electrical choke

0 Answers  

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Please tell me what is the difference between online UPS & OFF line UPS?

2 Answers   HAL,

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can any one help me out by posting something related to rvnl interview for site engineer electrical.? what is the procedure? what kinda question they ask us? how long the interview goes? and any tips? and any thing you want to share?

0 Answers  

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How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.

0 Answers   El Seif,

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Explain what is clipper and clamper circuits?

0 Answers  

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How can we calculate the resistance of earthing & how can we control it?

2 Answers  

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How much amperes needed for starting of 4HP motor?

1 Answers   CM Smith Sons,

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What do you mean by creepage distance?

4 Answers   Amara Raja,

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why the frequency and voltage in india is 230v and 50HZ. when compared to USA say 110v and 60 HZ.

0 Answers   Alstom,

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Can anyone tell me some hints about what type of questions are asked by the interviewer by an Electronics engineer when company is installing an IPP and wants a team of engineers?

0 Answers  

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