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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the difference between air & vaccum circuit breakers?


2 5344

What are the components of a substation?


3 4586

What is ELCB?

Bhel, CDS, IOCL,

9 10827

How voltage step down is done?


3 4521

How does a 3 phase induction motor is started?


3 5244

can anyone tel me what is competency of electrical supervisor??


2 3504

minimu size and length of gi earth pipe

2 3629

we have consol make 3 phase servo stabilizer for cnc m/c. while installing the earth neutral voltage is 1.7 volts at stbilizer off condition and when stabilizer get on en voltage reaches 4.8 volts (new earthing is done and neutral is helthy condition all phase to neutral volts 440,442,441 v)why this happen.solution for cause.

3 5118

how to calculate the over current rating of 3phase motor

2 5247

why sec of ct should be kept shorted


2 4814

difference between isolator and circuit breaker?????


7 10493

how to improve IR value in HT motors?

ABB, AMW, Macleods,

3 15168

Why we are using air gap magnetic condutors

Ford, IOCL,

2 5289

I want to know how to calculate the size of electricity cable in building?

DR Engineering Services,


whether Transformer is singly excited or doubly excited machine?

2 7360

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Un-Answered Questions { Electrical Engineering }

how to design the heater in temperature control unit to heat 50KL of water?


How to measure the Harmonic Distortion of UPS ie THD?


my question is how to answer the question "you are from eee background and why do you want to go for banking


Why do we require transformer with less specific weight if supply frequency is increased?


1. A bomber drops a bomb from an aircraft flying at 2000 km/hr. at an altitude of 7km. The speed at which the bomb will strike the earth would be


What is current & voltage ? Voltage perform at any load without current or not?


Vibromotor 252MV 1/4HP2P..what is mean by 252MV?


0.5,1,1.5,2.5,,10,16 square mm electrical wires how much take maximum current in 50htz


Can anyone provide with a SLD for HT panel installation for a 33KV line and distribution end has three 1.5MV transformers. Is it suitable to use OCB or VCB and also provide me the suitable rating and its connection diagram.


why the pf of semiconductor device is improved the electrical devices


How the over load setting for HT Motors calculated-provided in Numerical Relay


How to find ampere on ht side for selection of cable size ???


i want to know about torque of slip ring induction motor


how to find the capacitance value of the motor while running??


What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?