HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.

0 Answers   Areva,

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What will happen if we give AC supply to DC motor?

4 Answers  

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The speed of a dc motor can be controlled by the variation of 1. armature voltage. 2. field current. 3. armature circuit resistance. 4. angle of brush shift. Which of the statements given above are correct? (a) 1,2 and 3 (b) 2,3 and 4 (c) 1,3 and 4 (d) 1,2 and 4

1 Answers  

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Why the suply frequency in INDIA is 50HZ

5 Answers   HCL,

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there is a line fault some where on the ove head distribution line. how will i locate the fault for clearing it? ofcourse i have to megger the line but what information makes me clear that the fault is in that section of the line?

2 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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what is the function of starter & choke in the tube light set & how choke give 1000 volts while switching on.

14 Answers   ADNOC Abu Dhabi National Oil Company, IBM,

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how to calculate busbar capacity for 1000Kva transformer having22/.433V

2 Answers   Electrical Tech, L&T,

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What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

0 Answers  

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in 132 kv substation ligtning arrestor(120 kv) connected to line. but line voltage comes to 132 kv, it operate or not???

4 Answers   Divis Laboratories,

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Define bibo stability.

0 Answers  

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HOW WE CHOOSE EARTH'S POTENTIAL AS ZERO V?

0 Answers  

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