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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is LUX?

NTPC,

4 6973

what type of insulation is used for over head lines?

NTPC, WS,

4 8127

what is the operation of regulator in fan?

NTPC,

4 8110

what is the difference between 2phase & 3 phase?

NTPC,

1 6021

what are types of encoder

1876

what are types of servo motors

1 3193

how dose servo motor works

1919

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

2011

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

NHPC, NTPC, Sail,

7 22121

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

1 5053

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 4385

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

1978

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?

2320

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

1901

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 10102


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is PQA???Applications........

2388


What’s electric traction?

1142


What is the use of iron core in a transformer?

1135


During regenerative breaking= A rotating magnetic field is reversed B slip is positive C torque is positive D slip is negative

2130


Please brief what is sinewave

2151


What is systematic error?

1370


In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases

2027


How to Prepare preventive maintenance shedule of machine tool.

2021


why electronic instruments is more favorable than electrical?

1973


How phase to phase voltage comes 440V.

2093


How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.

2126


Explain how to determine capacitor tolerance codes?

1199


We need to current density & short circuit calculation at 65kA for aluminium & copper busbar.

1747


WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC

1895


Define norton equivalent circuit?

1049