Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the working principle of DC generator ?

HCL, DRDL,

10 12624

In zero voltage we can pass supply to our body means we cant get shock its true ? how we can do it ?

4 2745

what is the difference between brushed alternator ,brushless alternator & permanent alternator ?

1 22751




What is system earthing?what are the types?

ABB,

1 1871

why it is so called as xlpe(cross linked poly ethyline) cable?

913

How single phase & 3 phase motor select rotating direction ie clockwise/anticlockwise

DRJ ARDE,

6 6048

a 50hz motor to give 60hz whats happening in motor.what happen the motor.

6 5279

in Megger what type of voltage(AC or DC) are produce.how they work.

1 8604




An AC coil to give DC supply whats happen in the coil.what type of problem are create.

2 2956

An AC Motor to give DC supply what happen the motor.whats the problem are create.

2 3082

what type of motor are there in megger how they work.

2 3156

how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)

805

phase colour is indicated by R Y B (red yellow blue) but in transformer i have seen U V W instead of (R Y B) have any meaning of this

Areva, Kim Yew,

3 16304

how to calculate the capacitor to maintain power factor?

Bosch,

944

What is expand formation of AYFY cable

HP,

2 3092


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Un-Answered Questions { Electrical Engineering }

how much winding resistance of 0.75kw to 12.5kw 3ph sqwiralcage induction motor?

1635


what is servo motor and how it works?

1079


WHY THE COLOR OF OUTDOOR TRANSFORMER IS BLUE ONLY???

888


advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor

714


how to calulate short circuit current for the following: 1.cable connecting 11KV of 22KV/11KV transformer to 11Kv of 11KV/415V transformer 2.what cable size should i use.

984






why most of junction box vendors providing T5/T6 Temp class jb's for T3 area any special reason?

897


what is RFID? thire application;

858


What is the simplest formula to calculate the rotor diameter of a synchronous generator?

1132


What should be the Sandwitch type Al. bus bar capacity for 2 M.W.Gen. set, having continuous full load current- 3463 Amps,ambient temp.- 50 Deg. C., Required temp. raise-20 deg.C., it will run 24 hrs, 365 days on full load, required highly reliable.

1275


please forward me the type of questions which would rise while me attending to 33KV Electrical License to my mail ID:vadrevu_raghava@yahoo.co.in

844


What is a advantage of Self Reset Lockout ? On Fault breaker get trip & fault no longer exist then self reset lockout how inform us?

485


How to calculate the phase to phase clearness of HT /// LT bus bar?????

910


What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning

829


why a tester wont shock while testing the power in house

601


How to work E.L.C.B and how to connect in circuit.

770