Electrical Engineering Interview Questions
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Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?

158

what is the difference between changer, converter and transformer?

165

what is the difference between transformer,converter and transducer

257




what is the ATS .And how it works.

188

What is distance between electrical panel to land ?

Fresher,

97

highest rating of alternator used in india

1 190

why impudance relay used for medium transmission power system? why not others?

71

what are the functions of fuse ?

1 290




How to calculate cable size by using load.?? Any formula...

120

What is installed in PAC that is control the humidity

Sodexo,

193

what will be the min and max voltage flow from neutral to earth?

140

Maintenance of transformer???

Adani,

168

Explain UPS

Powerica,

1 236

If a high resistance fault occurs,then what are the changes will happen in the system?

170

How to calculate Grid rotor resistance(GRR) losses in slip ring induction motor?

307


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Un-Answered Questions { Electrical Engineering }

The principle of switching circuits for different types of batteries in application of storage systems

735


What happen Grid EARTH plat got cut.

958


Z transform is use when system is not a) converges b) diverges

413


why EMF IS INDUCED IN A CONDUCTOR WHEN FLUX LINKING WITH IT CHANGES ACCORDING TO FARADAYS LAW.

717


number of I/O devices in siemense plc

847






armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?

605


In 6600/√3/110/√3v voltage transformer,how much output voltage in open delta transformer,after removing 1-phase of primary side on transformer?

727


A motor running with lenze frequiency inverter stops if I REDUCE SPEED with 25% load.If I run it in High speed and medium speed running smoothly with full load.please help me to solve it.

537


Why neutral cable carry current.

720


what is differentila pilot supervision in the incomer control panel in the power station?

748


describe the Tranformer testing procedure

642


explain remenance . differentiate high remenance type ct & low remenance type ct

683


Percentage losses in power generation?

1713


working principles of cf lamp,incandescentlamp and f lamp?

1023


Atwhat condition reverse power relay will act?

810