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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Uses of induction motor

NTPC,

6 27375

I want Primary side delta and Sec side Star connection transformer . but i have received Star - Star transformer ,shall i use the same transformer by giving the only 3 ph on Primary side without Neutral connection on the Starpoint.

5 8272

Why current flows in nutral? As per theory there should be no current in 3 ph explain.

Bhel,

11 14363

What is the difference between phase current & line current, how both can be measured in star and delta system

Doshion, MIT,

9 75093

Difference between ups

Emerson, Tata Power,

32 81117

What is the formula for finding fault level of generator?

11 30627

I am mechanical engineer,I need Training in Electrical & Electronics ( i.e. three days workshop training ) Where will I get the same Please suggest?

2 3122

can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.

NTPC,

1272

What will be the average KVA rating of Auto Transformer for 75kw 415V , 3phase induction motor

2 4336

If the capacitor bank is installed in switchyard say 132/22kv then on LT side say 22kv/0.433kv is it necessary to install capacitor bank for maintaining power factor. if pf is maintained on HT side then will that be maintained on LT side as well.if not then how&why??????/ please explain...........

MacLellan,

3 9092

what is relation between vector group of transformer and its load hormonics?

Sanmar,

1 2511

What are all present producing cost of Per KWH of various Fuel?

Sanmar,

1686

Why the generator rating in kva

CompuCom, DLF, Genpact, HNG, SIPM,

32 91099

Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????

1050

wat s the difference between diode and capacitor

TCS,

20 20280


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Un-Answered Questions { Electrical Engineering }

why HT armoured cable does not glanding

3200


WHAT IS SPEC OF CLEANROOM MOTOR AND LIGHT FITTINGS?

1421


Why is the starting current high in dc motor?

230


how many load we can take for lighting

1332


WHAT IS IM (INDEX OF MOUNTING )IN MOTORS

1186






how can i find ct ratio of meter by seeing name plate of meter and how it should be used in MF calculation if it shows only-/1???

884


What is the instrument to check the rotating diode fuse of alternator in running conditions?

1527


What is the RME and explain the full form and what is the RME work?

1446


During underground cabling in landscape area what did we cover the cable with to prevent the electric shock & protect the cable?

1042


Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?

221


slipring induction motor starting time Lrs operating why lrs starting time lrs outer body didn't get shock

1070


what is the voltage between earth to neutral in lift.

984


what are the main applications of transistor in non-linear region?

1056


What is the function of attenuator in cro?

262


how much earthings are provided for 22KV HT Metering Kiosk

1220