Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the working principle of DC generator ?

HCL, DRDL,

10 12376

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

4 2587

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

1 22157




What is system earthing?what are the types?

ABB,

1 1772

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

860

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

DRJ ARDE,

6 5842

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

6 5101

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

1 8239




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

2 2841

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

2 2985

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

2 3041

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)

755

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 15768

how to calculate the capacitor to maintain power factor?

Bosch,

890

What is expand formation of AYFY cable

HP,

2 2960


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Un-Answered Questions { Electrical Engineering }

Why single phase induction motors are not self starting ?

323


how can calculate resistance box for 15 kw, 6 pole, RV-230, RA-42 motor

1814


explain the function of brush less dc motor?

835


condition Autotrip facia come on control panel of electrical transmission line?

290


I need HT sphere gap calibration table. Can any body help me.

809






FEINGING DECREASES THE FLUX DENSITY IN THE AIR GAP. HOW?

820


If we want to change a contactor of faulty one what are the conditions want to fullfil

797


What will be the voltage impact on secondary side of two transformers with different vector groups when both voltages are compared.

810


What is tranformer differtial?

645


How to calculate ant test the burden of Current transformer

1207


In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

751


Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.

665


why we dont prefer ac voltage controller instead dimmerstat [if both have same rating] for conducting experiments in laboratories?

990


how to calculate the earth fault current

1147


what is the setting of locked rotor in HT motor ? (answer expecting in percentage)

1073