Answer / umatheanmozhi

polychlorinated biphenyle

Answer / pradhyumn

Highly refined Naptha based mineral oil.

Answer / sunday victor

Transformer make use of hydrocarbon mineral oil

Answer / ashok mishra

mineral oil.

Answer / mahadi

Turbo oil.

whenewher three phase supply is given to induction motors revolving/rotating field is created & rotor rotates.When the three phase supply is given to three phase transformer then revolving,/rotating field is created or not? if not why?

1 Answers  

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In Fluorescent tube there is a writing like 6500k . what this 6500k represents?

4 Answers  

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why we connect dg neutral with ground?

1 Answers  

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What is principal to reduce earth leakage current with isolation transformer? When isolation transformer is installed in input stage of system, earth leakage current is reduced. the reason is why the leakage current of 2nd stage of isolation transformer does not affect the 1st stage's leakage current. I would like to know the reason. As you know, earth leakage current is a kind of AC. So, How to reduce earth leakage current in case that isolation transformer is used?

2 Answers  

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what is the UPS

4 Answers  

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how current flows in circuit?

11 Answers  

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what is the transformer turn ratio formula and give some examples?

0 Answers   UPPCL,

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What is the diference between increased saety motors and non sparking motors?

1 Answers  

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Why transformer called by KVA?

8 Answers   Reliance,

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sir please send me previous year questions of jspl through which i could prepare myself fpr the test.

64 Answers   FGH, HFT, Jindal, Jindal Steel and Power, JSP, JSW, Lin Engineering,

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Why does inductor is connected to dc supply? or what is the role of an inductor when connected to DC source?

3 Answers   TCS, TRR,

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Three phase alternators are connected in star connection why?

13 Answers   Tanfac,

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