Answer / c.hari balakrishnan

Nickel cadmium batteries are maintenance free batteries
and cost is high comaparing to lead acid batteries.
Sulphation formation is not so much frequent in NiCad
batteries,But in lead acid batteries regular maintenance to
be done.

Why the efficiency of generator is more than motor in swinburne's test

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how can we design robots

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What is the permissible value of earth resistance and as per which standard / act / rule ?

3 Answers   HBL Power Systems,

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why induction motor having low power factor at starting time and high at full load.

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what is the purpose of interpose t/f in control and relay ckts?

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I've descovered that when the earth wire in a domestic electrical installation is not connected back to the board (ground) a voltage of between 9-24v is is found to be present in the earth wire. When connected at the board there is no voltage - is this normal and why does it happen?

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How do we calculate the out Put voltage of generator, after excitation being given?

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what is technical diffrence between table fan and ceiling fan

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what the purpose of data retrivala panel in substation

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If an induction motor is restarted before its rotor stop rotating, then what will be the amount of current drawn? Is this current will be the same as motor starting current?

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What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?

0 Answers  

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