Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is potientiometer.What is the use of it.

1 4470

What are the types of relay ?

3 5872

How to increase home power factor? Can we connect capacitor directly? How to select capacity of capacitor?

5 7926

why only 11kv level is used for transmission purpose? why not 230v?

7 13810

what is meant by unity power factor?unity means one why dont call 2,3,4......?

6 9834

What is percent age of scrap of wires as per IE Rule Clause No in wiring for House and Industrial wiring ?

3 3933

how does damper winding produces torque in synchronous motor?

1 4542

1.what is meaing of ups,and used in softwares and sud stations,and main partes in ups. 2.main partes of the Disel Genarator. 3.main partes of the chiller and safty equipments.

2 4100

1.Difference between vcb and Acb and partes. 2.Difference between STS and ATS.

2 6577

a transformer can beb used as aload?give discription

Esses Eltech Systems,

2 3770

with 3 phase board on a 63 amp rcd is it ok to have 6 electrical showers 2 on each phase and what problems could happen

1403

How to identify Motor leads in their order coming out from winding without tag (U1, V1, W1 & U2, V2, W2)?

ABB,

6 48420

Why we use Y-Y connection in power transformer (8-10 MVA, 132 kV to 11 KV)and D-y in distribution transformer (2 MVA, 11 KV to 440 Volts)?

4 10380

For the requirement of a furnace of temperature range up to 1200 oC using silicon carbide rods, What is the required rate of transformer needed (please do it with all details)?

Intel,

1535

why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.

Siemens,

1523


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Un-Answered Questions { Electrical Engineering }

what is magnetizing and demagnetizing current in generator and motor?

2735


where can the transformer having vector group Yny0 be used??

3586


Why i receive the GCU fault in my DG Sychronization panel . what all the factors considered for this fault .

1741


what are the differant std sizes of cable trenches?

1529


For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?

1470






Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?

1742


what shoud be strength and weakness to impress interviewer????????

1623


What is servo motor? what is its purpose?

1593


what is the stear deltaprinceple?

1409


How isolater function when installed inelectrical 440V wiring

1705


What are the types of feedback oscillators?

818


what are the installation procedure of high voltage power transformer,CT,CB&PT?

1617


Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.

1550


How do i perform grounding of star point of Genset (400V) for making connection with step up transformer of DELTA-DELTA (400V to 20KV) ? while Genset itself has its own neutral and grounding bus bar inside genset breaker box whereas we have another neutral and grounding busbar in synchronizing panel next to genset at maximum distance of 6meter, would someone pls advice if we can only perform neutral grounding in synchronizing panel or should we ground neutral on both places inside genset breaker box and synchronizing panel.

1264


how to copy from plc ge fanuc versamax series,all input and output, adress, and printout.

2048