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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

i want to know about psu exam eligibility critaria?

ISRO, PSU,

1 7565

What is differance betwwen Conventional MCC & Inteligent MCC?

Quantum, Siemens,

2 4740

where we use 1 phase & 3 phase supply ?what is major advantage using 3 phase over than single phase ?

3 4684

i need 24v dc from 230v ac supply how we can getit ? what are the devices &its rating requied for that ? plzz i need answer urgently .thank u

3 7608

What is the operating range of voltage and current in grid supply in India?

BARC,

4 6673

can we produce cosine wave instead of sine wave? will it usefull?

BARC,

4 8150

what could be the RMS value and average value of a 4 phase sine wave?

BARC,

1269

what is the advantage of NiCd battery over Lead acid battery?

BARC,

2 18223

What is the operating range(tolerance) of voltage and frequency of grid supply in india?

BARC,

10 17919

whenever any squirrel or a crow falls on the transformer input line then there is a big explosion and 440 volts of power is being discharged through the neutral line due to which appliances in off mode are also burned.we have earthing for the transformer as well as the bus bar chamber.why is it happening?

1 1810

Can we use HRC Fuse inplace of Semiconductor fuse?

1 5051

What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?

1289

While performing stability test of differintial cts how to know the voltage and current on both side of the transformer?

2828

a.)Ammeter and Voltmeter read rms value or avg. value ? b.)What are symmetrical and Unsymmetrical faults?

2 5502

How we can design a cable for a 3phase load.

3 5797


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Un-Answered Questions { Electrical Engineering }

During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP

1247


what is the meaning of impedance protected in instrument cooling fan

2475


Let me know that how i calculate the alternator sub tranciant reactance and tranciant reactance.

1865


what are all the components required to assemble solar panel other than pv cell?

779


I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field

1294






how freewheeling diode improves the powerfactor

4557


What is I to C?

1462


What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

1445


What is dynamo function in DG sets and draw block diagram?

1403


what is the prinsiple of dc motor and construction and working ,application of dc motor.

1291


what is doid

2048


What is star-delta transformer?

466


HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER

1520


What is meaning of out of phase (making & breaking) capacity And how to calculate

1455


what does mean of RCT and STR in diffrential CT?

3578