for distribution line ratio of x/r 1.<0.1 2.>10 3.>1 4.<0.01

3 Answers   HAL, HPPSC,

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Why is the starting current high in dc motor?

0 Answers  

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What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

0 Answers   ABB, Jindal,

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What is use of 3phase instead of single phase?

12 Answers   DCM, L&T,

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a motor's measured current is 45amp,whereas the rated current is 38 amps but still it is running ,how?

5 Answers  

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what is the current setting for different relay protection for transformer .

0 Answers   Crompton Greaves,

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what is the relation between frequency and inductive reactance in a d.c supply?

2 Answers   L&T,

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give me name of current and volatge control device

1 Answers  

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in 33KV or 66KV system which connection is aviable on high voltage transformer primary delta or star ?

3 Answers  

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what is cathodic protection in Tank,and product pipelines?

4 Answers   IOCL,

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kindly arrange to send me RRB Bangalore previous question paper for JE/Electrical and JE/Signal I am going to write exam on 2010

2 Answers  

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How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks

1 Answers   Siemens,

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