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Electrical Engineering Interview Questions

984

Basic laws governing motor and generator

2859

we have 3*1 MW generator one NGR is common for all it will be selected during paralle our problem is two generator ca be paralled but when slecting third one we need to close NGR selection on third one other wise voltage not matching why?

1555

what is the advantage of connecting capacitors in delta than in star?

1164

can we use inductor in case of d.c.,if yes then what will happen in circuit

JSW,

6004

why the excitation is necessary to produce the reactive power

2558

how many winding in the single phase transformer?

3360

what is iron loss?

RRB,

5204

y r manufacturing fan is running into clockwise direction?y they can made in anticlock direction?pls give rply/ venkat.gattupalli@gmail.com pls send to my mail....

2334

How to measure 20 hp motor resitance

2574

What is the suitable rating of MCB used for 1.5 Ton A.C & why?

13783

1.how many types of relays? 2.difference between ATS& STS?

L&T,

1162

Ns=120f/p. what is 120?

81989

What is the high series capacitance winding on high voltage power transformer ?

1078

I AM INTERESTED TO WIND A 3 PHASE MOTOR HOW I CALCULATE TURNS, PITCH,AND WIRE SIZE FROM STATOR DIMENTIONS

1227

Un-Answered Questions { Electrical Engineering }

it is possible to rotate the DG engine dc starter with wrong polarity connections? why?

1306

is it possible for different brand of H.V transformers to run or operate in parallel to each other? if so how much disturbance can this affact the H.V bus bar?

1184

Why should we hire you over the others waiting to be interview?

1907

If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

476

What is BusBar integrity test and how it is conducted?

818

What are the temperature elements?

149

hi friends if you have any 400KV Substation Erection and installations Drgs please send to me.My email id:kandi.suresh441@gmail.com

1868

Please tell me the earthing procedures adopted for the STAR-STAR 3 Phase transformer in india and give a better sugession for earthing

1071

What is the normal phase difference between the voltage and the no-load current in a transformer?

219

SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS

4881

what is the formula for hv test for cable and circuit breaker..????

1035

Why let through energy not considered for ACB breaker while cable sizing?

1322

What is the importance of counter based plan & how is it scheduled?

1065

Hoe do calculate the Cable size for Amps rating ?

1198

Is it true online ups having bypass mode if it is true then why we called ups because it is interrupting power when goes in bypass mode

979