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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

HOW EFFICIENTLY LOAD IS SHARED BETWEEN ALTERNATORS

 1 2914

Why derating factor os applied on Cables?

 1512

in 3-phase transformer which type of transformet is used in output side?

Essar,

6 7956

How to detect voltage vector shifting in interconnection protection.

 1461

How open delta used for protection?

 4 31587

if its possible for step up or step down DC volage directly ? possible means how we can do it ?

 5 7975

how we can measure the dc current instead of clamp meter ?

 1 3958

why we are using R,Y,B colours for 3 Phase ?

ITC Infotech,

4 8804

What is the working of Field winding in dc motor, in which part is it work or why ?

 3 9522

What is the Efficiency in Electric motor ?

 2 5275

What is the selection & Designing procedure for DG/Transformer

Crompton Greaves, Sterling, TATA,

4 9115

What is the Designing & Selection Procedure for a DG/Transormer of rated capacity?

SCS,

1693

DC Motors applications used in Lift/Elevators

IOCL, SCS, Usha Martin,

8 27841

Why Power factor is different - different in all three phase of a 3 phase nduction motor.

 2 4801

what will happen if ac power supply is given to the rotor of an alternator

Goldman Sachs,

1 8311

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Un-Answered Questions { Electrical Engineering }

Write masons gain formula.

707

can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??

1508

why 1.7Uo for HV cable Hi pot test?IE standard why?

1865

Why r u using pf panel. what the uses

1505

In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?

1523




what is the difference between earth leakage and earth fault?

1740

what are the applications of TIG welding

1164

What is the vector group of a transformer,how can it be found out?

1570

What is core CT & it's function?

1644

how we will deside the high voltage value

1456

WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

1676

What is the tension required for the 25000 CFM AHU belt

2051

If increased the frequency up to 1000 then what changes shows in voltage?

1971

what is the maximum temperature rating of a thhn insulated conductor?

1354

what is stper motor

1983

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