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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why can not you store AC power in battery like DC power?

NTPC,

1 5318

Can run 11KV(5MW) slip ring motor by appling 415V? if Yes and what are the processors?

2 3202

explain the meaning of harmonic resonance

2046

How can a transformer test by megger?

Bosch,

1 5578

Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors

1862

How CT is connected to measure current by changing plug setting , ratio is 300 - 150 / 5 A ?

Ajanta Pharma, Bhel, Cosmo Films, Suzlon,

1 3881

any body can give me idea or sketch of fuel(Diesel) level controller for genset.

1 3523

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Bhel,

2121

'documenˁ

1934

IF DISTANCE IS 100METERS B/W AMP.METER AND CURRENT TRANSFORMER WHAT WILL BE AFFECT IN ACCURACY .METER CAN SHOWING ACCURATE CURRENT OR NOT IF NOT WHAT CAN I DO TO GET 100% ACCURACY.

1792

what are factors to be consider in electrical installation like load factor,diversity factor .....

1773

What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?

1834

what is LSR?

2143

why some transformer without breather.

GTS,

1 4158

what methods are used to improve power factor?

3 5737


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

DESCRIBEPNEUMATIC SYSTM OF ASH HANDLING PLANT

5486


what is the differebt between ac and dc fuse?

2280


Why High voltage are generate noise ?

1459


IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?

4041


how to design step down 12 V, 1mA small transformer from 220 V AC? Because according to VI relation and power transfer it results bulky...

2048


power transmission pole used one support , that only for support or earthing

1923


I completed my BE EEE degree 2006 .... which license should i apply .... ?????

1650


What is the need of earthing transformer for delta side of a transformer. (Think of a line section between a star/delta transformer at a grid substation and delta/star transformer at a village. An earthing transformer is there at the delta side of the star/delta transformer at grid substation). As there are no ground reference there will not be fault current if a one phase is grounded. Further L-L phase will be sensed by the primary side of star/delta transformer as a L-G fault. So why an earthing transformer is required at delta side

1418


I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.

1978


explain working principle of earth leakage relay

3662


why r we using shell transformer for low voltage

1974


what is booster? and how it is connected in a circuit?

2560


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

3270


What should be the values of settling time, peak time, steady state error, overshoot, rise time, MPOS (Maximum percent over shoot) to keep the system in transient state, to keep the system in steady state ?

2212


how to get electrical supervisor competency certificate in gujarat. i did 3 year diploma in electrical

2535