Answer / lnp

IP stands for Ingress Protection . i.e. Protection against Ingress of solid particles and water. The first Digit indicates solid particles up to 1mm can not enter the equipment and second digit indicates that water sprayed from any directon cannot enter the equipment.

15 kva dg set single phase takes 63amp( approximate) while same rating 15kva three phase takes 35amp approximate. why ? and what will be per phase current for 15 kva

2 Answers   TVI,

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what is first pole to clear factor

1 Answers  

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how we can calculate cable size of 230v,1 hp single phase motor ? panel to motor distance is 25 meter

4 Answers  

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Please tell me ceilingfan sweep means. Commenly we used sweep1200mm and 600mm MMENLY WE USED CEILINGFAN SWEEP1200MM AND SWEEP600MM

1 Answers  

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we have one ups its neutral is not earthed.its one distribution MCB has a earth fault.but we can not put off any MCB.so how to find out that in which circuit is earthed without isolating the breaker.

3 Answers   CFCL,

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I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???

0 Answers   RRB,

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how to calculate percentage impedence at 75 deg C at normal tap

0 Answers  

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how to calculate unit consumption on 3phase 380-415 v0lt kilowatt motor eg ( 55kw,380v,3phase 50-60hz)

1 Answers  

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What is the maximum breakdown voltage of 11KVA and 66 KVA power line and how it is calculated?

0 Answers   Anglo Platinum, Narnarayan Electrical,

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how is the many rpm of acb charging motor ?

1 Answers  

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How to put breaker in service / test position.

1 Answers   KSEB, L&T, Siemens,

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how much current in live 11 Kv distribution Line?

1 Answers   ABB,

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