Answer Posted / rajan singh tanwar

pentaerythritol or naphthenic mineral oil

how we start 40w tube light with 4 diodes,2capacitors,1 choke and without starter.(a product avilable in market which lights burnt tube lights also)

2032

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What is the de rating factor of cable? What is the importance of the de rating factor in cable select

2375

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CAN WE CALCULATE THE NEGATIVE SEQUENCE AND ZERO SEQUENCE REACTANCE OF A GENERATOR USING ONLY ITS RATED VOLTAGE, KW, PF AND SYNCHRONOUS REACTANCE??? IF YES, THEN HOW??

5625

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-What should be minimum value of insulation resistance and maximum value of earth resistance at any electrical instillation and what is method of testing the same.

2081

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Why hydropower stations are preferred solution for meeting peak loads in grids?

995

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Whata are the types of Cables?

2141

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What is the power factor of a transformer at no load?

1101

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Explain forward resistance, static resistance and dynamic resistance of a pn junction diode.

1189

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Can anyone explain me about the capacitor calculation

2187

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How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.

2082

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why do motors burn out? I understand why adding parallel loads to a power source means more current moves through the circuit, and can destroy circuit elements by overheating. What about when you have a vaccuum cleaner intake flush against a floor, a room fan sitting directly against a wall, or a power drill trying to drill through something too hard?

2063

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draw 3 phase rectifier diagram

2197

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how maney type tempereture measurement ?

2253

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What is the difference between the transmission line and distribution line?

1160

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what is difference between earthingpits,earthing grid & earthing mess?

2501

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