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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power

2066

how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt

1969

How you calculating the current for a 2.5 Sqmm cable. A 30 Hp 3 phase AC motor of power what size of cable is used for this motor.

Siemens,

7 24497

What is the difference between Ceiling Fan armature and Tablefan Armature or winding.

Pricol,

5 11043

If we connect capacitor in series DC supply so what happened?

4 10051

if we supply DC power to AC transformer then what its result?

15 17709

can d.c.transformer exist? if yes then what its max. rating?

6 8659

give me atleast four differences between circuit and network

2178

how to calculate the cable size

3 7150

why motor burns ?

5 9578

What is correction factor in Tan delta test?

1 8852

effect of single phase transformer on full load current?

2 4959

What happens with squirrel induction machines if the ends of rotor conductors are kept open? Explain

5 7507

How we can change the direction of rotation of Induction motor? Prove it using graphical methods.

Adama University,

4 7236

figure of phasor diagram of transformer when full load or no load ?

Swastik, TCS,

1 11938

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Why temperature rise is conducted in bus bars and isolators?

1338

i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.

1930

WHTA IS LIMT OF LEAKGE CURRENT OF 11 KV 1 CORE 1000SQ.MM. XLPE CABLE.LOAD ON CABLE IS AROUND 600AMP .LENGTH 500 MTRS.

2143

what is meant by rotating magnetic filed

2067

what happens if earth of 33kv cable is not connected to earthing pits? please send this query's answer to ngrm.sudha249@gmail.com

2034

what is differentila pilot supervision in the incomer control panel in the power station?

2099

what are the principles of a booster converter?

2064

What is the basic rule for block diagram reduction technique?

1251

EXPLIAN THE IMPORTANCE OF POLY PHASE CIRCUIT.

2169

What are the significant parts of dc generator?

1141

Why a tesa lamp is glow between two phase?

2007

What is the permissable nutral current of three phase system as per IS standards?

2110

what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?

1915

difference between power surge and switching transient

2094

i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.

2086

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