shal


{ City } alappuzha
< Country > india
* Profession * engineer
User No # 105888
Total Questions Posted # 28
Total Answers Posted # 6

Total Answers Posted for My Questions # 37
Total Views for My Questions # 123282

Users Marked my Answers as Correct # 2
Users Marked my Answers as Wrong # 5
Questions / { shal }
Questions Answers Category Views Company eMail

Why relay connected R phase and B phase.?

 1 Electrical Engineering 3747

Why not connect relay Y phase for over current and earth fault

HB,

1 Electrical Engineering 3547

difference between ac series and parallel circuit

 Electrical Engineering 1560

what is pure resistive circuit and pure inductive circuit

 1 Electrical Engineering 3413

Difference between ac parallel circuit and ac series circuit?

 Electrical Engineering 1693

How to Select transformer for 100HP motor plz... With calculation

Rasandik,

2 Electrical Engineering 4526

Why is transformer connect parallel? why not series? ....plz...

wbsedcl,

3 Electrical Engineering 8649

What is switch disconnector fuse?

 1 Electrical Engineering 3526

Please mention available current rating for MCB,RCCB,MCCB in the market or any website

ETCO,

1 Electrical Engineering 8347

Why did call copper as a electrical conductor?

ABB,

2 Electrical Engineering 3929

What is cable gland,why does use for?

ABB,

5 Electrical Engineering 9533

What does substation operator do in substation?

ABB,

2 Electrical Engineering 7106

Can any body tell gulf interview question for experienced electrical engineer ?

Gulf,

Electrical Engineering 1737

What is substation?

KSEB, Neolite,

5 Electrical Engineering 6479

What is electrical energy ,power?

ABB,

2 Electrical Engineering 5539

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Answers / { shal }

Question { 26890 }

What is the role of link in neutral in a three phase ac
system?


Answer

Neutral is use for complete the circuit and also for return path.In three phase motor,neutral its desnot use,but house holders and industrial ,if they use three phase,need neutral because light and fan such equipment work in single phase and neutral use for return path

Is This Answer Correct ?    2 Yes 0 No

Question { 38766 }

In neutral the current will flow or not?


Answer

Yes, negative current will flow

Is This Answer Correct ?    0 Yes 0 No


Question { 2208 }

DGs fuel and lube oil filters are not equal to one
another.Why it is so.For example one MTU enginee fuel
filter is one and lube oil filter-02nos other DGs are
more.Please explain


Answer

may be up to 200 Milli volts

Is This Answer Correct ?    0 Yes 0 No

Question { 22680 }

Which is more dangerous AC current or DC current and why?


Answer

Dc voltage is high dangerous. because ac voltage has sinsoidial wave form.IN ac wave, wave going to average value,positive peak value,negative average value,negative peak value.Here should think,when ac voltage reach at negative peak We can pull hands...

Is This Answer Correct ?    0 Yes 4 No

Question { 6080 }

why there is 1 phase and 3 phase but not 2 phase and 4 phase?


Answer

Use root 3 foe each phase

Is This Answer Correct ?    0 Yes 1 No

Question { Bhushan Power Steel, 9326 }



What will happen 50 HZ motor when you will give 60 HZ?


Answer

Speed is directly prepotionaly to frequency,IF FREQUENCY INCREASE SPEED WILL INCREASE EG:)VFD (Variable frequency drive

Is This Answer Correct ?    0 Yes 0 No