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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Will transformer heating be approximately the same for resistive, inductive or capacitive loads of the same VA rating? Explain.

1 12826

in a dc shunt motor what happens if motor takes high current,no speed

2 4857

What is stray current in DC Traction?

L&T,

2 7141

what is meant by armature reaction & where its happen ?

3 6868

Regarding units, for voltage we are denoting Volts as V but in case of current we are not denoting Ampere as A instead as I..Why..? Any technical reason for this..?

1 4336

how DC motor operating in detail .pls any one guide me .iam not clear idea about that .thank u

2 4992

what is the difference between squirrel cage & slip ring induction motor?

College School Exams Tests, NTPC, Ramyaa Electro Gear,

17 88007

what is ups?how its works?and what is there in static switch how it works?

Bhel,

2 16222

What is C curve and D curve of MCB?

GMR,

3 13722

how give earthing conection to household equipment?

2094

how give earthing to shif and aeroplane which is away from earth?

ABC,

1 4931

in thermal overload relay class 10A indicate what

Reliance,

6 16598

Size of the power cable like 1.5,2.5,4 sq.mm which area calculated from whick area or how specified the size?

MRF,

1 3433

why distribution transformer is uesd in Delta/Star formation?is there any significance in doing this?If yes then breif?

3 9677

why generation is done in delta nad transmission in star? brief

3 9868

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Un-Answered Questions { Electrical Engineering }

what is star delta starter? how it works? give its control and power diagram.

2138

What are locations arc protection relay is fixed.

1941

if the load is 80 amp for main fuse and 100 amp for breaker so how can we calculate the cable size (cooper ) .

2122

What should be current in the Primary and secondary side of 1000KVA (11KV Supply)Transformer.?

1124

In case of generator when we consume more power produces by it why load on generator increase and starts sound more. and how it is adjusted..

2005

What is the Nyquist criterion regarding control systems?

1143

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

2191

Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz

2360

direction of tarbine& genrator

2137

what is Different between Bilinear and Unilenier?

2209

For R-L or R-C ckt,time constant formula is L/R and RC respectively and its unit is in sec.Pls tell me the derivation

3354

how does the rotating m.m.f is produced in the 3-phase induction motor and how the poles are created in 3-phase induction motor ?

2696

why US countries maintains 110v and 60HZ

2250

What is the one main difference between ups & inverter ? And electrical engineering & electronics engineering ?

1184

why swityard is necessrry requirement in any bis power distributin systems?

2439

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