please let me know , we have installed two separate motor for fire fighting system 1) 60 hp and 2) 15 hp the load is 74 AMPS and 20 AMPS then tell me the main power cable in Aluminum will be what thickness , the length is 225 mt from the main utility to fire pump house

1 Answers  

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Is it possible to download the Siemens Selection Chart(TYPE 2 coordination) for 1) fuseless selection 2)Fuse selection

0 Answers  

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how many electricity poles are there and what are the names and their sizes.

0 Answers  

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What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.

0 Answers   GNFC,

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What is the working principle of ceiling fan?

6 Answers   Indian Navy,

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I HAVE A 1 MVA TRANSFORMER, I WANT TO KNOW THE FAULT LEVEL OF THE SYSTEM ( WHAT IS FAULT LEVEL PLEASE EXPLAIN WITH EXAMPLE)

5 Answers   Alstom,

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What is meant by field loss in a DC motor?

1 Answers  

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why dc moter are not earthed ????

2 Answers  

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Why indicated only R.Y.B to phase.

6 Answers   Bhel,

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all interview questions with answers of ntpc (2000-2009

0 Answers   Hetero, NTPC,

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Why can't we parallel the secondary circuits of two voltage transformers?

0 Answers  

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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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