Answer / praha tuty

wire pilot is the type of pilot relay.

What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

0 Answers   HCL,

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Why we are using Isolation Power Transformer inplace of commercial power transformer? What's the difference between them?

0 Answers   UPCL,

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How many earthings are required for commissioning the Transformer?

14 Answers   Dalmia Group, HSL,

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if we going for high voltage usages what are the considering factors, why those factors are effected.... please give me an answer related motor factors like wnidnig, frame, temp etc

1 Answers   ABB,

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Stator of three phase induction motor creates Rotating Magnetic field.But why not Transformer?

21 Answers  

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why in a swquence network representation, the negetive sequence generated voltage is taken as zero?

0 Answers  

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A system having the charactristic eqation (s+1)(s+2)(s-3)=0 is (a)stable (b)unstable (c)marginally stable (d)critically stale

1 Answers  

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sir,i am swati. i am goin to gv jspl exam on 21st nov'10. iwant previous year question paper. plz help me out. my emailid is swatisinha.dav@gmail.com

1 Answers  

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What is polar plot?

0 Answers  

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Transformer rating=> 15/20 MVA.Why there are two raings? What should be the rating of the fuse at the secondary if the voltage level is 13.8KV/4.16KV?

1 Answers   Bhel,

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A 3 phase motor, 440 voltage, induction motor. If we take out rotor from motor and if we give supply 440 volt to stator then what happens?????

20 Answers  

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What is the function of under voltage release ?

0 Answers  

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