Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

Crompton Greaves,

7 29135

What is the result of under frequency to the system.

4 8923

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 1882




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

4 3880

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 7932

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

3 7679

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 74254

In Aeroplane what circuitry or method use for earthing?

Bhel, EDA, Wind World,

9 17337




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 26167

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

470

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 3927

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

671

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

6 18952

What is the reason for low voltage in houses?

Maytas,

19 39434

what is fault level in 66kV system?

3 4387


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Un-Answered Questions { Electrical Engineering }

Draw a SLD of DG distribution up to main LT panel?

6712


How do u analyse protection fault when vcb tripping on load

419


please describe the Transformer setting, Motor setting, I/C setting, Tie setting

530


Is it possible to convert Dependent sources to its equivelent current or voltage Sources ?????

673


what is the id1 & id2 setting in differential protection relay of CSPC?

1236






i want to know about torque of slip ring induction motor

857


sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

1011


how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)

975


what is the voltage regulation for unity and zero power factor?

975


what is star delta starter? how it works? give its control and power diagram.

816


what is the purpose of using filters in a protective relaying scheme?

963


what is subtransient , transient and steady stateac components

975


What is the name of transformers oil filteration equipment?

753


What is servo motor? what is its purpose?

786


What test must you do before powering up a circuit that you have been working on?

683