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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is LUX?

NTPC,

4 4563

what type of insulation is used for over head lines?

NTPC, WS,

4 5610

what is the operation of regulator in fan?

NTPC,

4 5418

what is the difference between 2phase & 3 phase?

NTPC,

1 4695

what are types of encoder

995

what are types of servo motors

1 1910

how dose servo motor works

1049

What are the protection required for Transformer, motor, Line, Generator, capacitor, that all i have to refer which standard?(Like Transformer detail IS 2026)

1026

what is the basic difference between synchronous motor,synchronous generator and induction motor

NHPC, NTPC, Sail,

7 16317

Which standard i will refer for size of earthing conductor for equipment? (Eg:415V Switchgear, MCC, DB shall be 50x6mm GI flat)

1 3632

If the output of a 100kva, 415v generator is stepped up to 11kv with a 500kva transformer,can the transformer be Loaded above the source generator loading?

2 2548

WHAT ARE THE DISADTAGES OF SINGLE-WIRE-EARTH-RETURN SYSTEM USED FOR RURAL ELECTRIFICATION?

1068

A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

1351

What is the range of the stator resistance of 3 phase induction motor?

1065

IF THE OUTPUT OF A 100KVA, 415V GENERATOR IS STEPPED UP TO 11KV WITH A 500KVA TRANSFORMER,CAN THE TRANSFORMER BE LOADED ABOVE THE SOURCE GENERATOR RATING?

4 7223


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Un-Answered Questions { Electrical Engineering }

What is a parabolic signal?

218


Write the force balance equation of ideal spring element.

257


Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com

1169


how circuit breaker work.. what is the operations taking place inside a circuit breaker when an overcurrent occurs... is it similar to fuse?

1252


explain different losses in a transformer.

242






what is arc flash and what are the hazards involved

1208


why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor

1675


Define thermal resistance in the context of power amplifier.

220


Define norton equivalent circuit?

238


what is kvarh? Please define it With calculation General motors ?

284


i am trying to PSUs/govermeant jobs since last 2 years but still i m not success, plz help me.

1115


HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER

1279


Define noise?

244


please send me previous year questions of jspl through which i could prepare myself for the test.

1007


what is the responsibility of C license holder in industry?

6185