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Electrical Engineering Interview Questions
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in star delta starter current is 1/3times the delta value how?

 2 5860

what is meant by skin effect ?

 3 6317

what is the function of switch gear ?

Exxaro,

10 26863

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

HPCL,

1412

what is the use of megger? and types

TNEB Tamil Nadu Electricity Board,

11 54332

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 22109

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

BARC,

1 8771

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 3785

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

 1473

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 4624

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

 1 2271

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

 1 12070

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

 1470

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

 1 7835

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

 1 1970

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Un-Answered Questions { Electrical Engineering }

if we apply 1000ADC instead of 100ADC or We apply 50ADC instead of 100ADC,What will be happened in the test result value.Pl explain

891

A 100 kVA , 400 v/250 kv testing transformer has 8% leakage reactance and resistance on 100 KVA base . A cable has to be tested at 500 kv using the above transformer as a resonant transformer at 50 hz . if the charging current of the cable at 500 kv is 0.4 A find the series inductance required . Assume 2% resistance for the inductor to be used and the connecting leads . Neglect dielectric loss of hte cable . what will be the input voltage to the transformer ?

4469

What will be the voltage impact on secondary side of two transformers with different vector groups when both voltages are compared.

1506

Cb closed condition if there is a tcs fail whether cb will trip or not

1308

How to calculate the multiplying factor for energy meter with ct ratio given

1533




what is W.T?specify the acceptable range?

1501

how many single tension hardware are required on a double circuit transmission tower?

1472

how can we find thae value of capacitor for single phase motor. what is difference between starting capacitor and running capacitor.

1875

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

1589

what is efficient motors and how it is different from normal induction motors

1417

what is a types of short circuit and what is a types of distance protection tests

1757

if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

1525

What current position are you holding in your current company?

1611

What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

1525

Difference between a pilot wire and a normal conductor?

1563

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