Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the working principle of DC generator ?

DRDL, HCL,

10 16685

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

4 4591

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

1 25560

What is system earthing?what are the types?

ABB,

1 2812

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

1579

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

DRJ ARDE,

6 8759

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

6 7480

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

1 12147

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

2 4095

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

2 4326

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

2 4238

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)

1416

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 19926

how to calculate the capacitor to maintain power factor?

Bosch,

1638

What is expand formation of AYFY cable

HP,

2 4732


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Un-Answered Questions { Electrical Engineering }

WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.

1595


from generating station If 400v LT line length is 1000m how much voltage is drop and how do i calculate it? which cable will be use for this line?

1511


how much flux density of CRNO core

2295


1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.

1737


what is star delta starter? how it works? give its control and power diagram.

1583






State kirchoff voltage law?

655


Dear all i am kumaravel. now in chennai. my work is control and relay panel auto cad designing.up to 11kv to 400kv then question is i am improving my knowledge. i want some books name and auther are available for this C&R panel related. plese any one help me

1354


how does directional relay work incase of ac ?

985


What are the relays in ACB and VCB

1670


What is nichols chart?

738


What is mean by spike arrester(Voltage Operated)

1577


what are all the components required to assemble solar panel other than pv cell?

927


dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour

1483


draw the block diagram of fire alarm?

4947


What is the slip speed?

635