Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the diff. between two phase & three phase supply.

Crompton Greaves,

7 28556

What is the result of under frequency to the system.

4 8732

Since phi is the angular displacement between V & I, then why we use phi in power triangle ie. when showing active, reactive & apperent power in triangular manner & if it is ok then where is V & I in the triangle.

1 1833




how system voltage affect the power factor or vice-versa.

4 3802

why neutral of 6.6 kv star connected sq. cage induction motor does not get earthed, though for earth fault protection it is must.

7 7816

why active power is called as real power or working component.What is the exact function of active, reactive & apperent power.

3 7558

How to calculate the diesel generator efficiency? what details are required to identify the running diesel generator sets with 1000 kVA & 180 kVA?

Greeves, Sudhir Power,

11 72881

In Aeroplane what circuitry or method use for earthing?

Bhel, EDA, Wind World,

9 17126




How a synchronous generator practically work? what is the function of avr(automatic voltage regulator)in synchronous generator?how the connection of avr to the generator made practically?please give me the answer.

Accenture, Heineken,

5 25795

sir& friends i want the collection of recent quetions asked in interview of top most companies please send me on my email san.jsr@hotmail.com

442

why voltage drop if we have connected 230 v ac suplly through diode to bulbe we found haft ie 110 voltage drop why it is

4 3840

please send me latest & previous years question papers for IOCL Technical level questions

635

ON WHAT BASIS LOADS ARE CLASSIFIED AS RESISTIVE,INDUCTIVE AND CAPACITIVE LOADS?.GIVE PRACTICAL EXAMPLES FOR EACH

6 18766

What is the reason for low voltage in houses?

Maytas,

19 38737

what is fault level in 66kV system?

3 4298


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Un-Answered Questions { Electrical Engineering }

what kvrah y we need to take the readind of that

680


What is the difference between rulling span and wind span of of an Over Head Transmission Line?

796


What mean by MLTP

1186


What happens if i apply 500V to 440V rotary Switch ?

597


what will happen if dc is supplied in acb or mccb or other circuit breakers?

230






Can u tell me design of switch yard

835


WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?WHAT IS THE NEED TO BE PHASE SHIFT CHANGE BETWEEN THE PRIMARY AND SECONDARY WINDING

522


what are the things that can cause a three phase motor to crawl?

1746


can u give me a brief idea about power line carrier communication ??

625


WANTCONTACT NUMBER & EMAIL/ WEBSITE TO CONTACT THE SECRETARY,MADHYA PRADESH LICENSING BOARD(ELECTRICAL),K- BLOCK,3RD FLOOR,SATPOODA BHAWAN,BHOPAL

704


i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.

753


if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?

41


dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour

706


what reason of line current and phase current in star connection and line current and phase current not equal in delta connection?

754


The height to which the liquid in a tank to be maintained for a certain constant velocity?

649