Why P.F(power factor)relay should not be connected to the D.G(diesel generator) incomer side

1 Answers   ABB, Corsa,

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I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com

0 Answers  

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Derive the inductance of a coil in terms of its physical factors.

1 Answers  

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What is the Relation b/w star delta starter , DOL starter and two speed starter. if we want to rotate a 20 kw fan in 2 speeds which type of two speed starter we have 2 use?

1 Answers   ABB,

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why dc did not flows to earth?

2 Answers  

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what is XLPE cable?

2 Answers   Essar,

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what is stalling of a motor?

2 Answers   BTCL,

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Can anyone explain me the operating principle of the megger tester?( I just know that its diflection relates with the ratio of currents of control & diflecting coil. I need more information as breif as possible)

1 Answers   TCS,

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1.what type of oil used in tranformer. 2.oil vesocity. 3.oil gauge. 4.witch time oil filterring & how much temperature maintaned.

9 Answers   NTPC, Reliance,

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Please explain open transition and closed transistion system in Star delta Starter?and also the state difference of both?

4 Answers  

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Write down the brushes of a de machine.

0 Answers  

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what is mean by lookup table in microprosser.

1 Answers  

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