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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Why dnt we generate 5-ph or 7-ph supply like as 3-ph supply

2 4684

What iz main protection of mediuum voltage motors and what iz the standard IR voltage of 6.6 and 11kv motors.

GE,

1 3537

In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??

2120

how much current will be drawn by 3 phase, 415v, 50 hz, 20 ton central ac

3 6650

What is the differemce between Pulse transformer and Welding transformer.

BARC,

1 3465

What is servo motor and what are different types of servo motor

BARC, Vipul,

2461

HOW TO CALCULATE BATTERY BACKUP TIME & AH CAPACITY AGAINST UPS KVA RATING?

2 7560

how many load we can take for lighting

ABB,

2321

what is the difference between dropout fuse and horn gap fuse. how to choose between them

1 14017

what is the difference between star and delta connection?

3 7317

what is ATS & RING MAIN UNIT in Distribution System?And its Function.

2055

what is ATS & RING MAIN UNIT in Distribution System?And its Function.

2 8581

What is meant by time harmonics and space harmonics?

2847

AC is the magnitude of sinosudial-wave but we use cose value to determine power factor instead of sine value.

2 4471

In case of legging current of 20°, pf is .94 and leading of 20°,pf is .94 , in mathematicaly both are same but in realy how it is differ ?

3 5354

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?

2608

What is pi controller?

1239

What is MS-EXCELL?

2297

what is protection class current transformer.

4392

WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .

2224

Why two phase welding machine is used instead of three phase welding machine.

1997

Briefly describe your ideal job?

3019

Why do not we prefer non conventional sources of energy to conventional sources?

1243

What are the basic properties of signal flow graph?

1277

For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.

2201

testing of Vector Group – YNaoD II

2982

Starting Time of LT & HT Motor

1985

How does an oscillator differ from an amplifier?

1209

what is meant by 3rd hormonics ?

1907

what is difference between 2 pole structure and 4 pole structure in transformer yard

6136

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