Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is the working principle of DC generator ?

DRDL, HCL,

10 20037

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

4 6231

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

1 26577

What is system earthing?what are the types?

ABB,

1 3678

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

2081

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

DRJ ARDE,

6 11048

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

6 9379

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

1 12894

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

2 4998

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

2 5280

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

2 5150

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)

1984

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 21569

how to calculate the capacitor to maintain power factor?

Bosch,

2169

What is expand formation of AYFY cable

HP,

2 5953

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Un-Answered Questions { Electrical Engineering }

what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

1458

why we use condenser in the thermal power plant, althrough the same vapour will be again heated

4867

What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)

1568

what is settable hystersis protection? If any body knows plz kindly post the answer..

2056

What is Electrical Grade Aluminum for Tubular BusBars. i am confused between 6063 and T6 or T5 and what is BS 2898 and BS 159?

1839

What is the current carrying capacity of 0SWG,3SWG,10 & 12 SWG solid bare overhead copper conductors?

3446

What is the direction of current flow in ct secondary...means if the current is flowing from P1 to P2 then what will be the direction of current flow in ct secondaryw

1888

why and how current drawn by battery charger depends upon the altitude where it is located?

2039

HOE WE CAN IMPROOVE BY USE OF CAPACITOR

1962

how does an centrifugal and screw type chiller will work. which chiller efficiency is high and why.

2292

what is the difference between neutral and earth

2107

diff.between servo motor and ac motor

2052

Mention what are the types of semi-conductors?

1215

Define resonant peak?

1144

what is meant by neutral compensation factor and where it is used

1914

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