Answer / eng.najat87

i believe, we must use 300mm2

what is reactive poower

3 Answers  

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whatis the test procedure for lightning arrester which was installed one year back. i want check it whether it is working or not.

1 Answers  

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Why can not you store AC power in battery like DC power?

1 Answers   NTPC,

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what is the condition for YnD11

0 Answers   Bhel,

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how to check capacitor in general

1 Answers  

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If more than rated DC voltage appears across trip coil of the breaker, what will happen? e.g. in 110V DC circuit system, if voltage across battery terminal showing 121 V

0 Answers  

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why synchronous motor has zero starting ?

8 Answers   NTPC,

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what is the difference between LT and HT power supply?

26 Answers   Center One Mall, Central University, JSW, Siemens, Suzlon,

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Dear sir,We have a 7.5hp motor,it was running smoothly and suddenly one winding is carring more current then others(r=6.5,y=6.3,b=10)..whts wrong with tis...?

5 Answers   Hindustan Motors,

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If NO contact of relay gets supply from other sources or other part of circuit and at a time relay coil activates,then current will flow in which direction & will it cause to damage relay??

1 Answers  

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what is the difference between active power and reactive power and apparant power in practical as well as theoritical

0 Answers  

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DIFFERENCE B/W NEUTRAL AND EARTH?

2 Answers   Genesis, IBC,

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