Answer / karna

Method of earthing is Pipe Earthing and Plate
Earthing .Earthing we are Provided for Electrical
components by using copper cable or copper flat etc..
Earthing can measure in Ohms by using earth tester. By
pouring water regularly, adding coal and salt for every six
months

what is the function of commutator in dc motor?

52 Answers   Aviation, HP, Raj Construction, TCE, University Exams,

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why the capacitors works on ac only

5 Answers  

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HOW DO I CALCULATE OVER LOAD RELAY & CONTACTOR IN DOL STARTER? & in dol why it is require circuit breaker?

6 Answers   DLF,

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What is derating?, Why it is necessary, it is same for all means for drives, motors,and cables.

1 Answers  

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WHY AIR COMPRESOR IS STARTED UNLOADED

3 Answers  

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what is servo motor principle? difference between induction motor & servo motor?

1 Answers  

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sigal phase supply is 230 v ac two phase supply is 415 v ac then why three phase supply having supply is 415 v ac why not 690v ac

2 Answers  

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Can you explain about pole discrepancy scheme

0 Answers   NCC,

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How much current in 100 kva Transformer HT & LT side

1 Answers  

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what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable

0 Answers  

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why solinoid coil used in tripping rely?and why not other type coil?

1 Answers  

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please explain me about traction application?

2 Answers  

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