Answer Posted / umesh

Gravels / Pebbles 40mm Size should be upto 75 mm thickess
is provided through out the switch Yard for the protction
of humanbeing & material . This Stone is reduced Step
Potential & Touch Potential to protect electric sock.

Explain the term parallel path in dc machin ?

2224

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how to calculate the magnetizing current of ct ( 800A/1A) for Relay 64

1457

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What is speed mode?

1725

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how to interlock 3 incomer-ACB,1 buscoupler ACB,... pls answer this question and if possible send me the ckt diagram..haifriends2910@gmail.com

2926

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What are the conditions for sustained oscillator or what is backhouse criterion?

1153

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what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.

2061

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Give atleast 20 alternating current apparatus and devices.

1785

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i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result

1985

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If i am running of spindle at 2000rpm ,but How to spindle stop at the second I am resetting the machine in CNC machines

1641

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draw singleline diagram of star to delta and dol starters

2262

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give me a clear defination of inductance,and how can u calculate inductance of a motor

2807

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What is the formula to calculate the rating of a three phase miniature circuit breaker

2149

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can we use NPT glands in LT panel

1851

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WE know that for Inductor X=2pifL,In DC f=0,then X=0 so,V=IX=0;But In the DC excitation of rotor of AC generator,DC motor field coil which coils are inductor so why does not applying DC voltage short the rotor coil of AC generator and field coil of motor?If it would then DC source might be damaged but it is not happened. Why does the strand conductor of Electrical power transmission line make twist?

4387

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What is the importance of earthing?

1120

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