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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why a three phase induction motor cannot run at synchronous speed ?

RUET,

7 48658

brief notes on ammeters

1997

What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

2326

the voltage per turn of a primary winding of a transformer is the same as the voltage per turn of the secondary winding of the transformer. why?

8 26371

What is meant by locking of rotor in synchronous motor? Explain me locking in detail?

3 18743

WHAT IS A DIFFERENCE BETWEEN A DC GEAR MOTOR AND STEPPER MOTOR.AND WHICH IS MORE APPROPRIATE TO USE FOR POSITION CONTROL PURPOSE?

1 9524

WHAT IS A BASIC DIFFERENCE BETWEEN THYRISTOR,TRIAC AND A DIAC.AND WHAT R THERE APPLICATIONS?

Petronas, TCS,

5 51821

WHAT IS THE COMPLETE DEFINATION OF POWER FACTOR?HOW IT CAN BE IMPROVED?AND WHAT IS CAPACITIVE LOD AND INDUCTIVE LOADS

2 9363

Hello to all, Please someone can send me HPCL ELECTRICAL Engg. Sample papers to me? Its urjent....my email address is.... raviasiapacific@gmail.com

HPCL,

2102

what is the difference between induction and synchronous motor?explain in simple words?why 3 phase motor is given preference over single phase motor.

10 25690

explain me how a power factor is improved by adding a capacitor?what capacitor do to improve it?in simple words and in detail?thx

7 12255

what is dc transformer? how it work?

15 37350

what is meant by leading or lagging power factor?like in capacitor power factor is leading and in inductor power factor is lagging

4 10334

what is anti-pumping relay and the significance of it in a switcgear cb control system?

1 4651

What is mean by powerfactor. What is the difference between leading and lagging power factor?

HCL,

2 9017


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)

1884


Can any answer me ,What will be the range of C.T coil for L&T energy meter EM301 used for 180 kva DG set

2162


how to calculate cooling requirement of datacentre from electrical load?

2354


How time response of the system is divided?

1158


DERIVE AN EXPREION FOR MAXIMUM POER TRANSMISSION, WHAT ARE ITS APPLICATIONS.

2200


I want to know Electrical Circuit?

2128


what does a k rating in a transformer means?

2467


I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption?

2115


How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.

2058


i am electrical and elctronics engg passed out in 2009 want to attend for reliance placements.plz send me apttitude ,technical and hr question answers to my mail plz. my mail id-kat.bindas@gmail.com

1987


Differentiate between Zero and Negative sequence current

1875


Draw a block diagramof Three UPS systems connected in Parallel mode?

2110


what is the use of piston rings in the engine used for a generator...........

2170


can i connect wavetrap in 2 different phase in EHV line?

1804


how i calculate the syncrones generator NGR resistance .if we have a 6mw generator line voltage of generator 11kv also line current 393.3 ampere.

2069