Answer / sudhir kumar

trafo mainly step down the voltage from 240v to 24v which is basically used in industry for the temporary supply of flood light , hand lamps etc..

can SMPS work in DC supply ?

10 Answers   HCL, IBM, Reliance,

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what meant by Locked Rotor Current ?

2 Answers  

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the problem faced on star or delta winding connection??

0 Answers  

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what is cascade speed control device?and how this device control the speed of motors?

0 Answers   ABB,

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Why is the electric shock from the DC supply is more dangerous than the shock from AC supply.

8 Answers   IBM,

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what are the application of over current relay?

2 Answers  

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How earthing of switchgear system to be done.

0 Answers   KSEB, L&T, Siemens,

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my name is venkat .i have good percentage in my academics(ssc 86, intermediate 83 b.tech 73) my question 1..after completion of my ssc i joined in bpc but i didnt got rank in emcet so i completed MPC in one year compartmentally ..so here what am expect question from this background?

0 Answers  

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How can we decide cable size from HT panel to Transformer? Please give you reply with some examples.

0 Answers  

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how to calculate the multiplying factor for energy meter with CT ratio given

23 Answers   Bhel, Dalmia Group, DIFC, Fedco, Hindustan Unilever Limited, Lupin, MahaDiscom, MAL Pakistan, Myunghwa Automotive, Panchshil Infrastructure, Regala, RVPN, VIPL,

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what is phase voltage and line voltage? in line voltage how 415v is obtained?

9 Answers  

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what reactive how to maintain

0 Answers  

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