What test must you do before powering up a circuit that you have been working on?

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How to use earthing on shipments.

0 Answers  

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a battery is having capacity 100AH and 25% charging .if a load taking 10A & connected 6 hour .what is the final condition of the battery.

0 Answers  

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It is used or not HT cable single core 630 sqmm in LT 3 phase capacitor bank which is used in PCC(power control center).

1 Answers  

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why most of junction box vendors providing T5/T6 Temp class jb's for T3 area any special reason?

0 Answers  

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wat is the advantage of increse in frequency?how the powersupply range decreses as the frequency increses?like in america,it uses 110 ac and 60 hz?

4 Answers  

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How will you define capacitance?

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What is voltage ratio of a transformer?

0 Answers  

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what is excitation/

0 Answers   ABB, Tata Steel Limited,

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why the transformer is not operates on two phase?

1 Answers   APGenco, Atkins, FFBL,

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What is the acessaries distribution transformer ?

11 Answers   Bhel,

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how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.

0 Answers   TK Group,

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