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 happens to the synchronous generator when reverse power is given to it?

1 4821

If you know per phase current and phase to phase voltage; what is overall KW of the circuit?

ABC, GAS,

1 4352

I want to measure resistance between Neutro and earth conductor for 3 phase Transformer what should i do

1 3812

which type of motor is suitable for water pump?

IIM,

1 6022

what kind of battery is used in laptops

Pepsi,

4 8115

WHEN WE TOUCH THE BOTH TERMINALS OF BATTERY WHY NOT THE D.C BATTERY GIVE US SHOCK SUCH AS A.C SUPPLY?

3 5941

WHAT IS DIFFERENCE BETWEEN POTENTIAL DIFFERENCE AND E.M.F?

2 5471

In separately excited m/c,we excite the field by a dc source,what not with ac source?

1 4215

what are the protections in 132 kv class electrical systems.....? hw u define that in elctrical terms..? . . .pls answr

ABB,

2 4957

WHAT IS THE COOLANTS IN TRANSFORMER?

Bhel,

7 10640

WHY TERTIARY OF POWER TRANSFORMERS IS LOADED WITH EQUIPMENTS LIKE CT,PT,ISOLATOR AND CB

1908

What is meant by a linear circuit and what is a non- linear circuit?

5 8876

What is vcb?

3 5929

why high voltage is reqiured or L.T. panels? what type of tests should be taken for electrical panels?

2 8428

What is the accepted limit to increase the choosen transformer capacity over the load and why ?

Asec,

2 4071

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Un-Answered Questions { Electrical Engineering }

What are :- AC Distribution Board (Single & Double Front) DC Distribution Boards Distribution Board LT Breaker Panel.

2089

what will be the maximum winding temperature of 6.6kv HT motor 450kw, Full load current 49A. 50Hz Frequency.

3238

why we r not earthed Control cable of C.T. terminals

2035

1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?

2296

How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?

1921

Why we use circular(Stepped) cross section in transformer core?

2250

how ups works ? various parts of ups and working principle

2009

who many types of fire explane with exmple

2215

Dry type transformers

1878

What is the difference between PLC and Embeded system

1432

I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???

15633

LET ME NOW MORE ABOUT icu and ics for circuit breaker. how we calculate the rating of circuit breaker and i c u and ics values

2875

i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.

3479

What are operating procudures & Safety precautions to be observed while operating OLTC in manual mode ?

1971

How time response of the system is divided?

1194

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