Answer / kavitha

Ac supply will come. because commutator in a dc machine
works as a rectifier.

Answer / mgr

It just works as AC machine.

Answer / archana

purpose of commutator is to produce continue current . if
commutator is placed we gft dc otherwise ac

What is the battery voltage limit

3 Answers  

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sir, i'm preparing for hpcl exam officer trainee pls tell me how the exam ques paper pls pls

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WHAT IS THE SHOPE TESTING

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what are check points to be checked while charging switchyard?(CT,PT,BREAKER,POWER TRANSFORMER)

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Is it required to lay GI wires along with GI/MS conduits from one point to another point though separate earthing cable is conncted from DB to Socket?

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A 200W,230V lamp is connected across 115V supply.The lamp will draw power?

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HRC full from

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For 1 KVA load how much KVARH capacitor can be used ?

3 Answers   NLC, TNEB Tamil Nadu Electricity Board,

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Which starter can be used for 3 phase verriable speed (2 stator wdg) induction motor ?

2 Answers  

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dear friends, we are use 130 hp load run with 0.98 power factor ( 38KVAR capacitor connected ). if we need improve the the power factor to 1 (unity). how much kvar capacitor to be add. have any formula? please share with me.

3 Answers   Reliance,

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why return path in terms of neutral is required please give a relevant answer

3 Answers  

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why selected genration, transmission or any at 11kv, 132, 220, 220 or 440 voltage which is propotional to 11. why does not any for ex. 12 kv 13kv or any

2 Answers  

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