all details of DG UPS HVAC

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I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field

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Can anybody explain me the electrical circuit of indian railways to drive electrical engines(LOCOMOTIVES)? How does overhead lines work in the circuit to drive different trains on the same track?

1 Answers  

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what effect on electrical equipment if PF is gone over 0.996 in leading when provider say that its keep in minimum 0.996lagging

3 Answers   ABB,

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in underground cables, we have a grading method called 'capacitance grading' why is it called 'capacotance grading' although we do not use any capacitor in it?

1 Answers  

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What is FM200 Gas??Applications........

0 Answers   Emerson,

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What is the difference between Neutral and Earth

6 Answers   Bhel,

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wht is an AVO metre. and whre it is used?

1 Answers   Mayflower,

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Describe the colour rendering properties of i) tungsten filament lamps ii) tubular fluorescent lamp

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how many winding in the single phase transformer?

3 Answers  

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A current of 2A flows for 10 hour through a 100 ohm resistor. The energy consumed by the resistor is:(a) 0.5 kWh(b) 4 kWh(c) 2 kWh(d) 0.02 kWh

3 Answers  

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Hello Friends, How can we recognize the CT Star Point is S1 or S2 in case of Electro Mechanical Relays and what is meant by Restraining coil in relays and what is the purpose of that.. thank you in advance..

0 Answers   Siemens,

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