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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How do you reset circuit breaker?

Bhel, Kaveri Steels,

1 3245

hi frnds...pls send me aptransco previous papers .....pls..pls,,,(madhar.rocking@gmail.com)and suggest me some websites

2099

what is the principal of starting of a three phase induction motor.

Moser Baer,

2 6063

Please describe HT and LT?

1 3689

what is meaning of Power factor?????????

3 9370

different between electrical and electronics Engineering????

4 6785

What is the correct procedure to shutdown VCB in 11kv substation.safety and work procedure

EGA,

3 18626

when we conduct high voltage testing why milli amp. is required?

2 4707

Please specify the parts of VCB&ACB

1 4533

I want to know what is the short circuit level when 8 NOS 2000 kVA, 415v, 50hZ generator connected in paraller

1 4355

Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.

BARC, Fedco, Qasco,

2098

What will happen to the speed of synchronous machine subjected beyond the pull out torque? Are the behavior shown by rotor remains same for both the alternator and motor?

1 4195

why the efficiency of the dc machine is high ,when it is operated as a generator?

3 6549

I find that underground strip-armoiured,4core,LT PVC cables in an earthed power distribution sytem are occasionly found in charred condition-with no trace of it except ash. Is this because of no proper earth connection/continuity (giving rising to high armour resistance)in the joint enroute or because of insufficient capability (again due to high armour resistance)of cable-armour to carry fault current or due to neglected /unprotected overloading of the cable or due to high armour currents caused by power thefts where only phase(s) are unauthorisely tapped & at the point of poer consumption earth terminal is established by burring underground a not so good earthing rod (or using an underground water pipe for the purpose)

1 4035

Why do we mix soda with water in LRS?

1 7873


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

I WANT TO INSTALL LIGHTING ARRESTOR ABOVE 20 FEET HEIGHT INDUSTRIAL BUILDING. NOW IT WAS 15 FEET HEIGHT HOW MUCH DISTANCE IT WILL COVER & HOW TO CALCULAT THE DISTANCE COVER BY THE ARRESTOR

1917


Either the Armoured Earthing strip of HT 3 core cable have to pass through CB CT or not , why ???

2038


sir, Is their any measuring unit of knoking? please explian?

1845


(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?

2136


What kind of preventive maintenance are there for transformer?

2223


can we use NPT glands in LT panel

1793


What is referred to the electron in the outer orbit?

1107


how test transfomer(3 phase75kva) by megger

2066


What is Scheme Test of High Voltage Switchgear. Which tests it includes.

2367


how did the testing of protection relays done through current injection

2043


how can i get the formula to find out the cable size if i know the load of main fuse protection.

1905


how the inner and outer body is separated in aircrafts?

1044


how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.

2352


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

2159


details of oil cell size of Breakdown voltage test of tranformer oil details as per Standardswith mushroom electrodes?

1845