Answer Posted / mekonnnen kabthimer

separtly exited dc genrator

Is phenomenon of resonance is harmfull fr the machine? if not or if yes please explain it?

1538

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I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me

1650

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I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???

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Why we use 4-20 mA Analog signal for the PLC input? Why not 0-20 mA? Why not 5-25 mA?

2584

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What are dependent sources?

750

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need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

1419

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What is transmittance?

729

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hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?

1564

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What will be the voltage impact on secondary side of two transformers with different vector groups when both voltages are compared.

1644

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Dear all, how we select the cable size according  to current with or without including different correction factor , is there any direct method for sizing of cable... 

1800

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What is phase cross over frequency?

735

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difference bewteen reverse current and alternating current

1780

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How to operate a ac chilar plant?

2050

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what is meant by carrier aided trip protection in transmission line

3419

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I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2

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