how we check vector group dyn7

1 Answers  

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to hook up ten 50 amp rv pedastels at a lenth of 600 feet from the service what size will my service need to be and the size of wire will I have to run to each pedastel in series??????

0 Answers  

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What is the difference between Isolator & Load Break Switch?

7 Answers   Infotech,

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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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check list of maintenance of transformer?

11 Answers   ABC, Cosmos, EPRON, Essar, Godrej, Hescom, Infosys, KPTCL, TCS,

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what is the difference between isolation and insolation ? please explain in detail with example.

5 Answers   ABB,

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iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?

0 Answers   RRB,

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What are various modes for Mechanical interlocking of breakers (for both MCCBs & ACBs)

1 Answers  

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what is ferranti effect?

9 Answers  

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What is water cooled chiller plant?

1 Answers   Gulf, IOCL,

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How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

0 Answers  

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What is the differance between vacuum breaker and vacuume contactor

1 Answers  

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