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 convert kw in to unit

5 8052

how does the harmonics enter into the induction motors?

1 4054

define briefly the function of an ac electric generator (alternator)?

1 4958

Hi friends I am a service engineer in electrical field i plan to shift design engineer in same field, so i request your suggestion for what software or course i want to learn ?

5 7211

WHAT IS THE USAGE OF Buckoltz relay IN POWER TRANSFORMER AND AND HOW ITS FUNCTIONS?

3 6318

How the PF control while running DG set with load

2126

why some time Railway Fan not Rotate,But after a small rotation by human then it rotate normally? Why?

4 7106

what is the relation between reactive power and power factor for the what is the limit of reactive power and power factor

2060

what is the difference between electrical & electronics?

JSW,

4 9057

Whot is the difference between MCB and MCCB.Whot is the selection critearea for MCCB and MCB for 63 Amp.

5 9353

How does flights get the neutral(grounding)

1 4390

Whot is the braking capacity for MCCB. How we select different braking capacity.

1 3834

For refrigerators the motor current is raised beyond its rating on both conditions when the voltage of the system is more(say 270v) than the rated voltage(220v) as well as when the voltage of system is less(say 160v) than normal voltageof 220v, why explain?

Electrical Tech, UPSE,

1937

length of 4 core cable 95mm from substation LV VFD panel to Motor at field approximately 150 meter. Motor stop and power has been isolated from LV MCC ( Substation )to disconnect Motor for services. After Motor completed service propose to reinstall and reconnect Motor Cable, found earth cable sparkling during touching at metal / motor body. Inspect by clamp meter found earth cable have current flow AC 1-2amps and all earth cable at MCC LV also have current flow as same value. why it is happen?

2 6016

what is ring system ?

Bhel, Sabic,

3 6444

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Un-Answered Questions { Electrical Engineering }

What is the approximate value of stacking factor?

1119

do any one help me to get "C" license,, i have doubts ,,, if mediators ter pls call me,, my no is 8056640042

1383

1600 KVA ka transformer hi aghar lt side par 800A aur voltage 420 ho to HT side ki cable ki rating keya ho gi?

1988

what is the difference between interconnection and intraconnections in the circuit diagrams

8344

What is zero of the system?

1058

How do i carry out or know the vector group of a Dyn1 and Dyn5 transformer

1991

According to underground cables a) stress b/w sheath & conductor is high b) inrush of core & conductor

1924

what is meant by 3rd hormonics ?

1799

What should be the length of transmission line so that we can see/obtain the full sine wave of voltage??

1861

1.how many earth pits are required for 1000 k.w plant include substion , transformer ? 2. how many earth pits are required for 500kva generator.what is formula to calcute?

2855

How PADO software increase the efficiency of power plant?

6446

I'm looking for a mnaual set for a Teradyne J750. Softcopy would be preferred but I'll take what I can get.

2159

why in an industry; machine having rated 200 h.p stopped after power factor is maintained above 0.97 lag by control panel in view-of energy saving

2115

WHAT IS THE MEANING OG (li = 7 In)

2153

what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator

2006

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