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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how to calculate the multiplying factor for energy meter with CT ratio given

Bhel, Dalmia Group, DIFC, Fedco, Hindustan Unilever Limited, Lupin, MahaDiscom, MAL Pakistan, Myunghwa Automotive, Panchshil Infrastructure, Regala, RVPN, VIPL,

23 261638

if field current decreases how can the speed increase in the unloaded dc series motor

1 3589

basic princple of induction and synchronous motor

1 3608

which MPU register provides the address from which the next instruction byte is to be fetch?

1 3394

briefly explain the main blocks found in a microprocessor based system

2150

What is the role of Tertiary Winding in Transformer ?

2 6557

Explain role of Buckolz Relay in Transformer ?

7 10920

Is it possible Z axis excess error alarm reflect in X axis if yes explain ?

2476

can we make a loop between neutral and body for grounding?

2 4925

what is -24vDC and how can generate this -24vDC

Blue Star,

1 6019

What is floating voltage?

1 10500

AC voltage only create magnetic flux in coils, but in Solenoid coil how 24V DC volt create flux and pick the plunger

5 12151

why crgo core is used in transformers?

Bhel, TATA,

6 32778

What is YNyn Transformer? and what are the other types in this?

3 18803

How we can calculate the capacity the Air Condition capacity? like 1 or 1.5 ton's, What is the means of volume of Ton's in capacity of Air Compressor? Why in ton's,? not any other Volume?

2 5280

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Un-Answered Questions { Electrical Engineering }

it is possible to rotate the DG engine dc starter with wrong polarity connections? why?

2215

The height to which the liquid in a tank to be maintained for a certain constant velocity?

1946

WHY MOSTLY Rph IS USED FOR CONTROL CIRCUITS AUX. SUPPLY ?

2462

How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

1799

the problem faced on star or delta winding connection??

1889

11 kV line deraction check by an Engineer.

1929

Hi Friend I am used multimeter to measure the voltage between R Phase(SS1) to R Phase(SS2). In SS1 is connected with UPS loads. But I am getting voltage between these 2 R Phases. Please give some idea friend

2020

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2117

Tell me all plants load factors i.e which plant operating on which load?

2046

Can we use both Electrical & mechanical interlock between tow breakers? if yes how, please explain

1447

what is cause of static electricity? I experience shock when i touch metal equipment in a room ,furher check shows earth leakage showing 80ma at the DB near to the 400 MCCB?

1849

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

1088

sir i want previous entrance exam papers for written test

2094

what is the minimum winding resistance of 30hp compressor, to run or to switch on

1821

I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

2397

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