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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what are different type of triping equipmen like MCB,MCCB and their differences

ABB, Schneider, UPPCL,

3 8186

salam,hi, i need to know what the spesification of 300amp msb...

2033

salam&hi, i need to know about how can i calculate an enough current for the new building before i submit it to the suppliers

2085

salam, hi, how to calculate british temperature unit (B.T.U)?

1 3629

How could i check the earth connection of my home using a multimeter?????? If it is possible plz help me....

1 4119

power transmission pole used one support , that only for support or earthing

1960

circuit breaker work alone during fault condition or need any relays ?

4 5966

give information about REM5453 & SPAJ Relays

1 3711

what is the difference between servo voltage stabilizer and general voltage stabilizer?

1 5108

WHY THE SYNCHRORONOUS MOTOR IS NOT SELF STARTING, AND WHY THE STATOR AND ROTOR IS COUPLED?

Essar, GCUF,

3 6229

why induction motor speed is decress with increase in load? how synchronous motor speed is constant?

1 2685

why d.c motor speed decress with increass in load?

1 3701

how balanced in star delta connection ?

2086

what is the value of combined earthing in general electrical circiut?

Cathtect Engineering,

1903

(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?

Cognizant,

2184

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Un-Answered Questions { Electrical Engineering }

How you will determine the volume of oil in a particular Distribution transformer.

1884

what is the function and use of cable differential protection relay?

2916

WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?

1759

why single phase to grd test in HV cable?why not 2 phase at a time?

2288

what is d check in dg 1500kva

2122

Hello sir, pls send me hpcl technical test papers .i am. Appearing for the exam.

2714

WHY RATING OF VCB NOT LESS THAN 630A

2622

What is 11 N1 and 12 N2 in single phase Transformer ?

1934

Dear Brother can u tell the proper size selection of cable & the fault level calculation of braker, busbar etc. pls mail me at azeemk30@gmail.com

1928

Witch do depand of Power factor and theory of power factor?

2096

what is the meaning of number in (11, 31, 61,14, etc. CDG11, CDG31, CDG61, DDT32

1445

What are your future plans for the company if permanently employed?

2171

i am going to correct power factor of 1600kw induction motor,when i calculate capacitance of capacitor it is three time more in star connection than delta. if motor is star connected which connection i shall adopt for capacitors and reason for adopt this connection

1839

1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?

2911

kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased

2662

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