Answer / guest

two types. AC and DC

Answer / ravi

two types av&dc

What is value of earth resistance required for substation and equipment earthing and what are the reference guidelines

0 Answers   Glenmark,

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why vector group is ued

2 Answers  

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why a single phase motor of same rating takes more amps than the three phase motor? as single phase motor at 230v takes 5amp per HP while 3 p motor takes 2.5amp per hp at 230v.

1 Answers  

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plz tell me the potential difference between phase and netrul

2 Answers   CGL,

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orifice sizing how done, checking & selection

0 Answers  

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Why High voltage are generate noise ?

0 Answers  

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Give me the calculation steps to design an electromagnet to be work in 230V 50 Hz AC Supply. Also give force that is created by that electromagnet when it gets energized.

0 Answers   GE,

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What is meant by locking of rotor in synchronous motor? Explain me locking in detail?

3 Answers  

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what is a relay?

31 Answers  

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how much amp MCB is required for 1/2 kva power back up?

2 Answers   Havells,

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What will Happened if the polarity of CT is changed?

13 Answers  

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1. What is the exact formula for one weber? for example,(one ampere = one coulomb electron of electrons crossing a point of conductor at one second. i.e, 1A=1Q/1sec)

0 Answers   Bhel,

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