cable armor

3 Answers  

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1. If we apply dc supply to the primary winding of transformer it will be burnt out. similarly dc supply is given to field winding of syn. motor and armature winding of dc motor, they are safe. (Remember both windings inductive nature) what is the reason behind that?

2 Answers  

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If I fill the form of engineering services and I left the exam de to navoidable reasons . Will it counts my one attempt

2 Answers  

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What are the internal and external faults?

0 Answers  

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advantage and disadvantage of team work?

0 Answers   Ethio Telecom,

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I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?

0 Answers  

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why we step up voltage for reducing the loss, even if voltage and current are proportional anr resistance remains same

12 Answers   Sarhad University,

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What is the make of breakers, transformers, generators? What are their capacities and ratings?

1 Answers  

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Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?

0 Answers  

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sir i want previous entrance exam papers for written test

0 Answers   Vizag Steel,

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What is CRT (Contact Resistance Test) for Isolators or Dis- connector Switches? Why we performed it & whats the Testing procedure.

1 Answers   Siemens,

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what is phase to phase fault? what is line to line fault?

6 Answers  

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