Answer / k.prakashchandra

It is an auxliary relay to have multiple make or break or
both contacts on operation of a single relay.

Sir, how to calculate the voltage drop and short circuit current of cable. please give me example and formulas.

1 Answers  

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What is oil temprature with A/T contacts in Transformer ?

1 Answers  

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What is main purpose of chock coil and starter in florescent tube ?

1 Answers  

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Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.

0 Answers  

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What is the types of HT motor testing

0 Answers   ABB,

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what happens when d cexcitation given to alternator is removed while it is running or what happens when dc excitation is failed in alternator while running?

10 Answers  

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what is photo voltic cell,& what are the materials associated with that?and any spcifications like volts/cm etc?

0 Answers  

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Draw the vector diagramme for Asynchronous Induction Generator at noload,half load and fullload.

0 Answers  

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what difference between tapping -15% to +5 % and -5% to +15% tap. & how can define HV turns on maximun & minimum tap of power transformer.

2 Answers  

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why current coil has less number of turns compared to pressure coil?

8 Answers   Airtel,

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WHY THREE PHESE SYSTEM VOLTAGE APPLIED IN 440 VOLT

0 Answers   Infotech, InTech,

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how does electrical train works and what type of motors are used to drive the train? which level of supply voltage is used?

22 Answers   Alstom, Infotech,

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