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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

in star delta starter current is 1/3times the delta value how?

2 5479

what is meant by skin effect ?

3 5938

what is the function of switch gear ?

Exxaro,

10 25794

HELLO SIR, IAM PREPARING HPCL EXAMS. SO PLS SEND MATERIAL OF HPCL ELECTRICAL ENG..TO VIJAY_8888@YMAIL.COM

HPCL,

1231

what is the use of megger? and types

TNEB Tamil Nadu Electricity Board,

11 52802

In Siemens S7-300 PLC, what is funtion and funtion block ? What is the difference between them ? When to use function and when to use function block

2 21413

what is the differance between MC61C and MC61A relay of L &T make.

BARC,

1 8312

I AM DOIN MY 3RD YEAR IN ELECTRICAL ELECTRONICS. PLEASE SUGGEST WHAT DO I DO NEXT AFTER MY B.E? AND I WANT TO GET INTO ANY PSU IS DER ANY EXAMS PLASE SUGGEST EVEN THAT.

3 3458

if our motor load is 150 amp v- kv and we want to install capacitor bank then what is the exact value of that capacitor bank that we should install?and how we calculate that

1325

if we want ot select cable size with reference to load current it take than what is the formula and it is same for aluminium or copper?

3 4199

15hp,380v,31amp,3-ph submersible motor run at 250v what is The temperature rise of submersible motor

1 2020

How to calculate CT ratio for 11KV 1500KVA Transformer 500KVA MD and 1400KVA connected load ? Note:- As per MSEB(Maharastra state electricity Board)

1 11502

1600kva capacity Transformers how the bucholz relay,Oil temperature,winding,surge relay relays setting are to be done

1294

What is the calculation for 1000Amps Air circuit breaker relay settings.

1 7547

IS there any special instructions to be taken while installing the tranformer.

1 1722


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Un-Answered Questions { Electrical Engineering }

What is the difference between shortcircuit current, rated current of cable & MCB with example? What will be the size of cable required for 5.5 KW motor (Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.

1407


how to calculate magnetic force genrated by a coil ?

1514


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

1851


What are gain margin and phase margin?

605


why swityard is necessrry requirement in any bis power distributin systems?

1631






What is gross error?

508


What happens if the negative to earth voltage is greater than positive to earth voltage in the battery of substation?

925


sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan

1573


Earth leakage relay basic knowledge principle

1568


what is PWM in IGBT and how it works for drive.?

1035


If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?

3715


Pl.brief me any electrical major fault you have rectified.

1337


THERMAL CAPACITANCE IS MEASURED IN..................................................

1497


our industries ht line so power fluctation(once drop of power please rectify causes

1440


how to changeover ups in this power failur time?

1313