Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the function of earthfault relay?

Tech Mahindra, MultiTech,

17 89396

What is the function of trip neutral close switch?

11 51668

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

Saint Gobain, JH, Supreme Treves,

18 43451




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

APC,

5 8817

WHAT INSTRUMENT IS USED TO MEASURE THE MAGNETIC FLUX?

7 6514

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

19 13077

what r the types of transmission line?

RRB, WAPDA Water and Power Development Authority, DIET,

28 36024

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

1 1585




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

3 8160

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

2 1978

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

Reliance,

2 4828

what is differents between static stablizer and servo stablizer

3 8958

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

CB&I Lummus,

2 36343

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 1615

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

CFCL,

4 3941


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Un-Answered Questions { Electrical Engineering }

0.5,1,1.5,2.5,4.0.6.0,10,16 square mm electrical wires how much take maximum current in 50htz

925


what is difference between 5A and 100A CT constructional wise and operation?

1744


How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........

899


I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption?

856


Why two phase welding machine is used instead of three phase welding machine.

484






why we are using in reverse power relay in generator singranizing

925


What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.

1098


what is the responsibility of C license holder in industry?

3382


Pls explan the OLR setting in VCB at HT yard

1259


i have done diploma and btech in EE and live in Chandigarh so kindly help me how can i make my competency certificate in my area.

1031


how to calculate singlephase motor efficiency?

916


What is difference and reason b/w -48V BTS system and 24 V BTS system. Plzzzzzzzzz tel me.

818


Define the overload capacity of the motor?

787


how can we make cable shedule for controll wiring ? which details must be required for it.?

802


what is package substation.how many types they have

832