Electrical Engineering Interview Questions
Questions Answers Views Company eMail

A 3 phase motor, 440 voltage, induction motor. If we take out rotor from motor and if we give supply 440 volt to stator then what happens?????

20 11257

difference b/w bus bar and tie line?if possible explain with eg:

2 4969

what is a relation of energy in electromagetic field

1 1974




To avoid arcing what we connect in earthing.

HAL,

4 5758

At present how many HVDC lines are there in india

KSEB, Infosys, HAL, Kuntham,

18 68358

How many no of flip-flops are required to get 16 bit counter

HAL,

10 15118

HOW DO YOU PROVE THE HIGH VOLTAGE CABLES OR BUSBAR IS DEAD EVEN AFTER IT IS DE ENERGISED

6 9015

what happen for input voltage output voltage input current output current and kva if we increase primery winding in transformer?

1 2277




How we find the size of cable if we know the current

Gemscab,

2 19499

depending on what we can choose the rate of mccb considering that we know the total load

2 4215

What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.

ABB,

1222

WHAT ARE THE DFT AND RMS MEASURMENTS PRINCIPLE IN NUMERICAL TECHNOLOGY OF POWER SYSTEM ?? WHICH IS BETTER IN WHICH QUANTITY MEASURNMENT??

1 6875

what are the types of Distribution transformer vector group please explain

7 13799

What is the acessaries distribution transformer ?

Bhel,

11 9828

why causes the burnt of AC Electrical Motor ?

9 28355


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Un-Answered Questions { Electrical Engineering }

how to failure indution motor insulation & how to improve heat in motor insulation

523


How to design the NGR Resistance

775


If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?

798


PAC and simple Ac different

109


In how we connect watt meter for open & short circuit test of a single phase transformer.

3930






What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.

450


What is Faraday's law

185


how unidirectional torque is produced in DC motor?

5117


what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?

732


what are the things that can cause a three phase motor to crawl?

1746


what is KA rating and how can we choose switchgears on applications

119


what is interfacing in computer studies?

432


what is the purpose of shading ring or shading coil in electrical equipments.

2427


we have two motors 1250kW,6.6kV to be coupled on the same shaft ,so please provide assistance for their synchronisation.

775


What is a difference between indoor transformer and outdoor transformer of same rating

1921