what is working of no & nc.

8 Answers  

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how desiel generate sart fail of eb?

0 Answers   OPG, Wipro,

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how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test.

1 Answers   CPCL,

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What is Engine?

6 Answers   HSL,

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diagram for soft stater ?

3 Answers  

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hello! can anyone explain to me how a 3 speeds table fan work? what are the factors that are controlling the speed of a normal table fan? Is it by varying the voltage or changing the magnetic field? would appreciate your reply :) thx in advance.

2 Answers  

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how to calculate the current capacity of a wire if its dimension in Square mm is given

1 Answers   TATA,

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what is the difference between home inverter and online ups?

2 Answers   ME,

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Why synchronous motor is used in power factor improvement,dc series in lift

0 Answers  

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Anybody know how schematic diagram for reverse power relay? RPR for generator protection

0 Answers  

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A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N

0 Answers  

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why any Elelctricity board insist not to change the buren of their metering CTs or PTs for metering purpose? as a example elect. board not accepted that any customer change their metering CT or PT core burden from 5VA to 15VA.. why?

1 Answers  

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