Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why does the power consumed is always constant even if a fan speed is altered?

5 16937

WHAT IS THE DIFFERENCE B/WDYNAMO&ALTERNATOR?

IOCL,

6 5536

lllg,llg,ll,lg,lll which fault is severe and why?

GE, PSC, COEP,

10 46584




why we use ac?why we use dc? why we we cannot use only ac/dc for all the applications?what happen if we use?

962

what is the difference between current rating and breaking current of an MCCB? and for a known load how to calculate the current rating of a MCCB?

HPL,

1 3863

What is technical difference between ELCB & ELMCB?

3 19078

how was the induction stove working?

3 3120

hi i m going to attend bhel interview on 22nd sep 2008 for ET(electrical engineering).pls guide me how to prepare for the interview.i am a fresher.

Bhel,

1 2324




Explain the working principle of Vacuum circuit breaker and Air circuit breaker

HP, Trinidad and Tobago Electricity Commission T TEC,

10 40090

Why not using Air circuit breaker at High tension side?

Wipro,

1 1528

What is diference between ELCB & ELMCB?Also how its application for use in design area?

2 11908

How can w select the cable size for different rating load & also waht r factors affecting the during selection of cable?

Bosch, AB Inc, BRB Cable, Lucas TVS, Trisome Technical Services,

11 27637

wht is this amps in power consuption and how can we convert that into consuption hours ? i am a sales executive of a energy saving lamps .

KSEB,

5 3734

wht is the difference between volatge and wattage ? how can it be converted ? (like 15w = 6v ) like tht... ? actually what tht means ?

3 3424

what is the fullform of mccb

Thermax,

10 13587


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Un-Answered Questions { Electrical Engineering }

dg started in plc mode and load taken later one battery terminal connection will be disconnected by loose connection what will happen for dg and shall we connect battery terminals while dg in load time?

724


What is transister define the transister ammiter ,base, colector.

857


what is the eight bit unit?

989


what is the minimum clearance between a 11KV 150KVAR capacitor cell and series reactor.can a series reactor can be mounted in the same structure of the capacitor cells structure

810


why transformer tank is in rectangular shape what happen when it is in step shape

174






Why we cant store an ac power. If we coo store in which device we can?

868


what is earth resistance? how to measured? and give values at power station and mcc area?

753


is ac supply can store

699


can anybody sent me power grid questions. what subject should i prefer for preparation?

849


Leakage current,un balance current which relay using for high voltage transmission?

873


how to do the ductor test?

5415


1.Can we use 6.6/11KV 300sq mm xlpe 3core cable for LT use (415 Volt). 2. If we use it for LT then what is the current rating

471


explain the function of brush less dc motor?

790


im working in one private compeny in gujarat. i was complet diploma electric in 2010 from gujarat technical board. now i want electric supervisor licence in gujarat but i dont't know when i apply? plz give me address of the licence dippartment office in gujarat. gandhinagar

672


For RCD (Residual current device) Icu is defined. How i can find Ics for them?

802