Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the function of earthfault relay?

MultiTech, Tech Mahindra,

18 102504

What is the function of trip neutral close switch?

11 65991

what is pf. how to calculate capacitor bank value to maintain unity pf.

JH, Saint Gobain, Supreme Treves,

18 53375

what is hormonics. how it is generated & what are the problem faced by that.

APC,

5 11672

WHAT INSTRUMENT IS USED TO MEASURE THE MAGNETIC FLUX?

7 9384

how to reduce power loss when the tranmission under long distance?

19 19797

what r the types of transmission line?

DIET, RRB, WAPDA Water and Power Development Authority,

28 45535

What is the diference between increased saety motors and non sparking motors?

1 2587

Which factor decide the colour of the light emitted from a Led?

3 11798

WHAT IS MEANT BY EMBEDED SYSTEM?CAN WE CALL PLC AS EMBEDED SYSTEM?

2 3488

what is the reason for balance of voltage in magnetic balance test?

Reliance,

2 6870

what is differents between static stablizer and servo stablizer

3 11210

what is differance between dirty earthing and clean earthing and their applications

CB&I Lummus,

2 50168

Hello sir. if u have electical engineering exam paper then plz mail me at bhumika_1187@yahoo.co.in. i m appearing exam for HPCL.

HPCL,

1 2828

if any leas acid battery is having low or high sp.gravity taen what will be effect of battery and why

CFCL,

4 6404


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is the working principle of a DG Set, Alternator, & exiter

9704


Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm

1646


How to decide the size of the capacitor for a single phase induction motor say 2 HP ??

1621


i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.

1830


Define filter?

624






What are the types of transformers according to the arrangement of iron cores?

595


What are the types of power in electrical power?

692


What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

1552


how can i change the rotation of the AC single phase induction motor and show me by diagram

1282


What willbe change in programming when we use 5/3 solenoid inplace of 5/2 in operating of a cylinder?

1581


which pump used in WTP explain the function of VFD how to dtermine capacitorbank of capacity one plant

1451


What happens if we run alternator on under frequency? 

1614


What is acsr cable and where we use it?

679


what is formula to cal cute earth pit numbers and size of earth strip used in earthing?

1769


what is the soft starter principle? how is connection diagram? what is the procedure for checking the connection?

1700