Electrical Engineering Interview Questions
Questions Answers Views Company eMail

if our load in 3 phase circuit is 4000 amp. calculate the capacity of capacitor panel if line power factor is.80 .

ST Micro,

1 3233

 where the Motorized mccb to be used? In Motor control center panel starters ,it is use full. please answer  

Voltas,

1 4087

What are reasond for high wattage in single phase induction motors

1369

why we use 50 hz frequency in india .. why not 60 hz 

3 5305

Arrangement of earthing materials.like what we put first charcol,then salt.then plate. Plz answer me about that.

1 1955

What is rccb?

1 4169

what happends when an isolater is operated on on-load

1 3590

in a solar power plant,we are going to step up the voltage 350V to 33kv, and to 132kv GSS. i want to ask that if it is possible that 315v/33kv is not possible because we also use 315v/11kv. or it should be 415v/33kv? is it effects generation or losses?  the second question is-generation is depends on LV winding? or LV winding design for generation voltage?

1287

why current is constant on d.c?

1572

what will happen if frequency is below 50 hz?

Student,

1556

distribution transformer de-rating formula on over limit iron losses  

IESCO,

1801

if a train is running on a speed of 40 K MPH and crosses a individual passing by him in 48 secs who is riding a horse with a speed of 25 K MPH. what is the length of the train?

2 3253

in a delta-star with neutral grounding on star side what will happen if one star limb  got opened at star point

NTPC,

1 4142

what is power factor?

3 5263

Why we are using LA Rating 10kA in 66 kv substation

L&T, NMDC,

1 6490


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Un-Answered Questions { Electrical Engineering }

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

1487


what is the stear deltaprinceple?

1398


What is making & breaking current ???

966


I want d.g.set our company

1321


Anybody know how schematic diagram for reverse power relay? RPR for generator protection

1659






Why AC & DC capacitor are use in UPS ??????????????????

1586


What is the meaning of HT Trivector Meter ?

1943


what is the correct format to create a resume for interview??

1510


why does a dc machine has high efficiency while working as a generator than as a motor ..

1482


which cable is used for 15 Hp monoblock pump 3phase and service wire Distance is 210 feet please tell me cable size Armaured

1054


how to calculate percentage impedence at 75 deg C at normal tap

1795


What happens to a motor if it is connected in Delta connection

565


How many sprinklers should be in one pipe line?

1421


What is Load sharing of Transformer ?

1543


When we use 3 terminal resistor?

623