Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is the meaning of 'A synchronous motor floating on line'?

2 22460

how to calculate the no. of turns in secondary side of CT?

1 6652

Between Turbo alternator and Hydro alternator which one is more difficult to cool and why?

2 15318

Between AC generator(alternator) and DC generator which can be designed for high voltage and why?

1 4784

How damper winding in synchronous motor suppress Hunting?

Bhel,

2 25946

Which is stiffer between salient pole rotor and cylindrical rotor synchronous machines? Justify your answer.

1 14525

Which theory is used in the analysis of salient pole rotor synchronous machines? Who is credited for this developement? Could the same theory be used for cylindrical rotor synchronous machines?

1 6587

Why alternators are rated in KVA?

12 39116

Between rotating armature type and rotating field type arrangements which one is adopted for large rated alternators and DC generators.Why there is difference in the choice?

1 11621

What is the need for checking knee point voltage for CT's?

1 4499

ho can we calculate the conductor insulation value according to their ratings like voltage,current etc.how insulation value related with voltage,current and power of amachine

2050

what are the main problems that happen in an emergency light and how to fix them ?

2 5780

Without seeing the nameplate descriptions of a rotating machine,Is it possible to say which one is a motor and which one is a generator? How would you certain this?

3 6513

How the speed of synchronous motor changes with the variation of load?

1 5889

Why synchronous motor runs at a fixed speed? what is the name of that fixed speed?

4 16567

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Un-Answered Questions { Electrical Engineering }

relation between power station capacity and voltage level?

2010

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

1849

How isolater function when installed inelectrical 440V wiring

2183

What is knee point voltage of transformer?

1098

what are the problems that generally occur in power flows??

3185

What is UPS and How do you maintain the UPS Maintenance? Brief Description on UPS maintenance.

2555

how to test the turn ratio of 3 phase transformer using volt meter shoe the curcit diagram.

2396

what is counter poise conductors

2116

How Can you do Maintenance of ACB of 2000Amperes

2029

working function importance of mdc meter

2126

Difference between HRG and NGR. Are they both the same thing

4252

Give details on how you intend to handle a challenging position you are posted to manage unexpectedly as a company staff?

3274

at work we have a 3 phase motor but on testing one phase isnt getting a reading. it runs 24 hours a day all week. stops and starts well no noise or heating. the phase isnt down to earth.is it just a bad meter reading or not? phases one and three came up with a resistance reading of 0.4 but phase 2 couldnt get anything shows up as open circuit.

1632

what is the write prosidure of stringing of 8meter pcc pole.

2408

what is the relationship between current&voltage in practical purpose ?

4973

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