Answer / anitha

spark is a flash of light produced by electrical discharge
and arc is the phenomenon that occurs between the contacts
of the circuit breaker due to short circuit and also due to
large fault currents

Answer / k.prakashchandra

Arc is continuous(line) and spark is intermittent(dots)

diffance between eletrical and eletronics?

3 Answers  

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what is L.T?specify the range?

7 Answers  

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how to measure genset CT coil range?

1 Answers  

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Are you connected Transformer neutral eathing with it's body earthing or earthing met of switch yard.? Yes or No ? why ?

2 Answers  

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what is the difference between VARIAC,AUTO TRANSFORMER,DIMMERSTAT.

10 Answers  

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I want to calculate how much capacitor we connect to maintain the unity power factor? Is there any formula? Pls give me the answer

0 Answers  

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What is Surge Capacitor? Why it is require in Generator Circuit Breaker,inspite of surge arrester?

0 Answers  

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1.What is effect of capitance in transmission line? 2. After raising the voltage at receiving end what will be happen? 3.how we nullify or control the raised voltage at receiving end?

3 Answers   NTPC,

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In all electric motors, fans are provided to dissipate heat. How it dissipate the heat? By absorbing atmospheric air or by exhausting the heated air generated while running?

2 Answers   Ford,

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sir what is the purpose of SF6 in HT breaker and what is the pressure should be maintain in the breaker?

2 Answers   Kirloskar,

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what does happen if generator frequency fall in running condition & what should require immediately

4 Answers  

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what is the use of conservator in a transformer?

6 Answers   L&T, TATA, Tata Motors,

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