Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

xfhnchncv?

1910

If the (Motor control center)Panel work on field the relay used in panel in the case this will be damage and no indication provide on panel.fault occur in panel and MCB will not trip. how happen the relay damage in panel and what effect of panel.

1 4228

suppose MCC (Motor control center)panel work on field the relay on this damage or not work and earth fault occurs in this and no indication in relay panel given below. than MCB trip or not and what effect the panel how find relay will damage or not work.

2 4963

Our Company's Contract Demand is 110 kVA. We use 12 Capacitors each of 12.5 kVAr Capacity to maintain Power Factor of 0.99. So, what steps should we take so that our Contract demand does not exceed 110 kVA?

Jindal,

1 4049

Where we use 30mA , 100mA & 300mA RCCB ?

BEL,

3 42836

can we do the star delta connection of capacitor for 3- phase motor starter.

2028

How to check the Bushings of the transformer?

1813

Differnce between earthing and nuetral

S Tech, wbsedcl,

3 9077

why the transformer has no starter

NTPC,

2 9289

what is the differance between HT motors And LT MOTORS.

Empire Vitrum Glass, Sappi,

1980

what is the speed of current

4 6833

There is 15 KVA UPS using for single phase load.And 30 batteries of 12 V, 100 Ah are connected in series. Load is taking 15 A current.What will be the back up power for this UPS on same load?

BS, Dynamic Software,

1 3635

What will happen if the field of synchronous generator is removed when it is in operation with no load?

HJ, UPPCL,

3 6201

What is the dc grounding system and what is diff between AC/DC grounding system?

2118

How many speed of dg start motor for engine starting time

1 3692

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What safety precaution are to be taken for avoiding electric hazards ?

1867

How to calculate multiplying factor of dc energy meter

1665

Define resonant peak?

1142

What is the meaning of loop in transformer

1794

HOW TO WRITE A QUENTION ANSWER? I MEAN SHORT OR LENGHTHY ? OR FROM THE BOOK AS BOOK..... SOME TIME WE GIVE A ANS FROM THE BOOK AS LIKE BOOK ND WE GET MINIMUM 60% MARKS OR MORE THEN....... THEN HOW TO FILL THE Q-PAPER?

2057

TRANSFORMERS WITH DC SUPPLY

2079

why u r living from presentaly working.

2570

What is the purpose of stand by earth fault protection for transformer ?

2084

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

1932

Approach of a cooling tower is the difference between temperatures of what factors?

1142

what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?

2081

What is meant by rotor?

1283

Differentiate between induced emf and self inductance?

1150

What is the Minimum winding resistance of motors ( small & big)? referance range

2308

Can a generator runs after getting 1st stator earth fault.

1409

For More Un-Answered { Electrical Engineering } Questions Click Here