Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

can induction motor becomes as a generator. if yes how it is possible. if there is a squirrel cage rotor.

6 12111

I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption?

2113

how system fault level is calculated?

HCL,

1 6379

how braking & making capacity of circuit breaker is calculated?

1970

How the soft starter control the starting current in three phase squirrel cage AC Motor?

1 3447

What makes the difference between 50Hz supply and 60Hz supply which one is economical? What is the use of using increased frequency?

ABB,

5 10639

could anyone suggest project title

Engineering,

1 4175

What voltage is used in Directional earth fault relay? and why?

L&T,

5 11876

Why does inductor is connected to dc supply? or what is the role of an inductor when connected to DC source?

TCS, TRR,

3 10235

why ac generator ratings in kva only why not kw ????????????? ?

7 13364

tell me exact relation b/n voltage and current and which one is depend other

HAL,

7 8933

without any excitation we can strt any dc or ac moter?

Bhel,

6 12471

why transformer are rated in KVA not in watt?

DMRC, L&T, TCS,

7 17877

Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.

Megatron Solutions, TCL,

2072

what is the distance maintained between the power and data cables with respect to the KVA .... plss give me the formula

1 4123

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Un-Answered Questions { Electrical Engineering }

Benifits of 3ph 4 wire metering over 3ph 3 wire

2440

how net resistance islow in star connection and viseversa in delta connection...? if anybody could explain in detail it wud be helpful.

1574

In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

1716

what is harmonics? what are the factors it will depend upon

1990

what is the meaning of 0.5ohm Resistance

1818

Which type of motor is used in trains, what is the rating of supply used explain working principal?

1241

hi every body i am master student in control engineering and my project is slip control in trains i assumed a Dc motore as traction motor but i don't have characteristics of this kind of motor that is used in train. i want from every body if he or she has the characteristics or information about Dc motor that is used in train give me those information or technical characteristics .

1445

trasnfarmaer core make

1919

What is the function of retrip in busbar?

1465

EXPLAIN THE TRANSFORMER MAINTENANCE?

2223

how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.

2352

hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?

1884

how is the incoming cable size calculated for a given current rating of a panel??

1890

What is the formula to calculate a three phase alternator

2297

How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...

1941

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