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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is LUX?

NTPC,

4 7002

what type of insulation is used for over head lines?

NTPC, WS,

4 8155

what is the operation of regulator in fan?

NTPC,

4 8140

what is the difference between 2phase & 3 phase?

NTPC,

1 6041

what are types of encoder

1888

what are types of servo motors

1 3215

how dose servo motor works

1932

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

2028

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

NHPC, NTPC, Sail,

7 22185

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

1 5066

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 4418

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

1989

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?

2332

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

1916

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 10137


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

How Can You Relate Power Engineering With Electrical Engineering?

1250


What is open loop and control loop systems?

1148


What is advantages of VSCF wind electrical system?

2341


why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?

2224


Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity

1900


how is positive, negative, zero sequence is happen.. how is effect on 3 phase system

1821


What is big transformer parts and their function ? Ty

2225


WHAT IS IEC? & WHAT IS BENEFIT TO PRODUCT FROM IEC?

2142


How many types of protection relays are there based on the characteristic?

1107


How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?

2197


What are diffrent type of road taxes?

2046


I want to calculate how much capacitor we connect to maintain the unity power factor? Is there any formula? Pls give me the answer

1947


What are the different power system losses and how can it be eliminated?

2088


Work done in a free expansion process is

1174


In constant power region of 3-phase IM torque-speed characteristics, if frequency increases flux A does not alter B decreases C increases D none of above

2264