Answer / farzan danish

earthing resistanc should must be less than 1 ohm

Answer / nithya

generally electricl resisitance should be a 2 ohms. suppose
u are in a building the individual ohm is 1.2 ohm. and group
should be a 0.8 ohm.

why power not passes in plastic and rubber material

0 Answers   GPG,

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Why we use Fuse in transformer in secondary side.Why we dont use fuse in primary side?

1 Answers   Care,

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DEAR SIR, HOW TO CALCULATE WELDING TRANSFORMER CAPACITY IN KW OR KVA (POWER). TWO WELDING TRANSFORMER USED WHAT TYPE OF DG SET CAPACITY LIKE ( 45 KVA OR 62.5 KVA), PLEASE TELL THE WELDING TRANSFORMER RATEINGS. I AM REFINARY (TANKS WELDING) THANKING YOU

2 Answers  

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WHY THE RATINGS OF THE TRANSFORMER IS 33KV WHY NOT OTHER???

0 Answers   Lanco,

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In our domestic single phase line if you don't have a ground connection (earthing)how will you separately use earth in a specific power supply board.

1 Answers  

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How to determine the breaking capacity such as break down current and break down voltage for VCB and CT's.

0 Answers  

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what is the relation between KVAR,KVA,KW?why we are mentioning capcitor rating in kvar?what is meant by arcing horn and horn gap in transformer?what is equipotential wire?

1 Answers  

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Frequency of rotor emf in induction motor is around A same as stator frequency B 50% C 5 % or below D 30%

1 Answers   Bhel,

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What is the meaning of key single line diagram?

8 Answers   Technip,

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how current flows in circuit?

11 Answers  

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waht is the working principle of saft starter & what is the difference in vfd & saft starter

2 Answers   Cipla,

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What is Phasing out test?

1 Answers  

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