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how many earthing required for ups, what should be the earth voltages

9 Answers   Juniper Networks,

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difference between shunt coil and tripping coil

8 Answers   GE,

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WILL THE PERCENTAGE IMPEDENCE FOR A ONAN TRANSFORMEER BE THE SAME COMPARED TO ONAF TRANSFORMER OF SAME RATING???

5 Answers  

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what happens to current , when voltage drops .?

11 Answers  

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How a capacitor discharge weld power supply works? what is the use of a pulse transformer?

0 Answers  

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what is use of lockout relay in ht voltage

2 Answers  

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If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

1 Answers   Focus,

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Can anyone explain, How will get positive to ground and negative to ground reference voltage in dc system

1 Answers   NCC,

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hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

0 Answers  

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Seamless tubes are made by?

5 Answers   Bhel,

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Explain about Leakage Test.

0 Answers  

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Why infinite busbar has zero resistance and high mechanical inertia?

1 Answers  

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