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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is HVDC, what are advantages over conventional system?

1 5468

What are pre paid energy meters ? How it works ?

Siemens,

1 3727

what are frequency changers ? Tell me about commertially availble frequency changers ?

GE,

1 2992

what is the aircraft voltage and frequency standard ?

Jet Airways,

1 3232

What kind of earthing method can be useful for ships and boats ?

GE,

1249

what are RCBO ?

GE,

4 6980

whatis the commertial spec. of distribution boards ?

Bosch,

1109

how to calculate percentage impedence at 75 deg C at normal tap

1241

which is more dangerous A.c or D.C?

26 22198

WHY DOES NEUTRAL DO NOT CARRY EVEN THOUGH IT CARRIES RETURN CURRENT?

4 7043

HOW DOES THE FAN REGULATOR CONTROLS ITS SPEED

6 37553

HOW DOES THE ELECTRONIC ENERGY METER WORKS?

Core Solutions,

1130

what is the diff between earth leakage relay and earth fault relay?

7 36463

Shall we get electrical shock if we touch the positive terminal of a 230 volt dc supply?

Essar,

22 24052

how we arrange the hv side with delta connection in case 33/11kv of transformer.

Jindal,

1072


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Un-Answered Questions { Electrical Engineering }

Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

1761


what is the reactive power what is the use of it in system

1160


what is (+) and (-) in generator field detector stand for?

926


how to select proper cable for ct wiring so that drop within the limit.

1000


What are safety device in vcb and acb?

2436






pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..

1085


IF alternator SCR value will be high means what happen in alternator efficency at operating power factor of 0.8

2893


What is meant by short-pitched winding?

161


What is the theoretical reason for the size of a zig zag grounding transformer to be 1.732 times less than that of a wye-delta grounding transformer used for the same application?

1284


How to calculate size of HT breaker with the help of Amp (current)? Please provide answers with examples.

1323


plz tell me,ht and lt panel terminals in substations explain beiefly

1793


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

945


What are the classifications of heating element?

1028


Will an earth leakage trip be activated if the component or wiring is faulty on low voltage equipment.Example An electrical Cat Scarer placed in the garden and water gets into the wiring.

985


WHaT IS THE CONCEPT OF INDUCTION LAMPS IN MODERN LIGHTINGS, and HOW IT WORKS TO EMIT LIGHT ( AS NO ELECTRODES ARE PRESENT ) ?" COULD INDUCTION LAMPS CAUSE INTERFERENCE WITH COMUNICATIONS INTO A STORE USING INDUCTION LIGHTING ? WHAT IS THE BENEFIT OF USING THE LOW FREQENCY INDUCTION LAMP , VERSUS LED , AND VERSUS FLUORESCENT, AND VERSUS ANOTHER KIND OF LIGHTING . THANK yOU MOISES GUINDI

1172