Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How To increase Knowledge Of boliler regarding To Only Electrical Field..

265

What is the difference between PLC and Embeded system

217

How capacitor connect in 3 phase supply???

L&T,

1 486




PAC and simple Ac different

156

Why High voltage are generate noise ?

159

what is KA rating and how can we choose switchgears on applications

193

Why can't we parallel Voltage transformer secondary circuits?

162

Why can't we parallel the secondary circuits of two voltage transformers?

195




we have 3.5MVA-11/6KV transformer. how can we calculate earth fault current and NGR calculation?

IGC,

244

If one ct is reversely connected in Y system what will effect in kwh and kvarh meter?

1 356

Explain about how is it working Earth fault'relay and wahts the resistance value of earth bed

221

Earth has zero potential then what would be the neutral potential ?

JLL,

170

What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?

200

How to select batteries required for ups and the inverter if we Known load? And how AH is selected of battery?

Vodafone,

165

What is the maximum and minimum rating of UPS?

Indiabulls,

182


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Un-Answered Questions { Electrical Engineering }

What is the physical significant of power factor?

663


please explain to me how to calculate current,voltage,resistance with formula??

188


What is the range of the stator resistance of 3 phase induction motor?

720


different aspects of voltage stability

701


design of IGBT firing circuit for 11KV

1208






how can we phase identification in a distribution line,how we recognise that which phase is coming for a house hold connection.help me............

777


Where can I get Iidian straderd specifications for electrical items or works in web? please help me.

752


earth also having a gravitational force (magnetic field of north and south)but it attracts any object compare to this theartifical magnetic cant perform same as earth why?

613


If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

818


for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance

513


If I have 3 essential main switch board and 3 incoming electricity ,but only 1 genset running is that possible.

326


what is PWM in IGBT and how it works for drive.?

462


How to check the thermocouple is correctly connected to cable for K type? (i,e positive pole is connected to non magnetic conductor and negative pole is connected to magnetic conductor)

511


HOW TO CALLICULATE RESITENCE,REACTANCE AND IMPEDENCE VOLTGE OF TRANSFORMER 13.33 KVA 144/240 VOLTS 93/56 A WITH FORMULA

628


Is vtg is controlled by the resistor? if else how much?

830