Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What do you meant by slip power recovery?

PSEB,

1 5793

Give two basic sprrd control scheme of DC shunt motor.

2 3412

What are the advantages & disadvantages of a group electrive drive?

893




What are the advantages of individual drives?

Suzlon, A1 Electricals,

1 1474

What is plugging as applied to an induction motor?

3 23467

Define heating time constant of electric motor.

3 16669

why does chattering take place in ac contactors? can it be avoided & what care does the manufacturer take to eliminate this phenomenon????

10 42989

what will happen if the bus PT fuses are accidently removed from the circuit in 6.6kV feeder?

1 3273




why is it that the HT motors & motors having very low kW rating(<1kW) have windings connected in STAR, whereas the motors having in between kW ratings have DELTA connected windings??

5 6151

which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?

719

How maesure earth neutral value & how much maximum value value required in between earth & neutral.

NEC, Bellsonica,

831

How does ELCB work when exist earth foult? and How does RCCB work when exist earth foult?

1 7279

THE 40 MW OF POWER FOR 220 V III PHASE POWER CONNECTION REQUIRES HOW MANY KVA POWEER REQUIREMENTS

Chartered Accountant,

7 5575

what is intermediate switch

1 1928

In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?

756


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Un-Answered Questions { Electrical Engineering }

what is the illumination level required for child play area?

826


When electric field is parallel to the plane of incidence, the electromagnetic wave is said to be a.Linearly polarized b.circularly polarized c. Elliptically polarized d. Hyperbolically polarized

1295


Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.

788


What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.

987


why co incidence factor considered in transformer sizing?

651






I WANT BHEL PREVIOUS QUESTION

1061


Distinguish between nuclear power station with thermal power station for initial cost, starting period, cleanliness, and transportation of fuel

745


any idea abt REVERSE METERING concept.........?

853


The transmission does not have options: a)Partition noise b) Flicker noise c) resistance d) Short noise and reason

1178


WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.

1246


What is the percentage loss for aluminium wire for HT line more than 11KVa

878


can you plz send l&t aptitude questions if available its urgent plz plz plz

826


What kind of maintenance is conducted for Transformer

901


what is invertor supply and raw powersupply

732


On 400 amp factory load how kvarh capacitors provide

453