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 is the full Form of AAC ant conductor?

5 12783

What should be the setting of an earth fault relay.

HP,

2 5737

What size cable is used for HT cable to the transformer of 630kVA, and the supply voltage is 11kV

2 7389

what is main reason for grid earthing for any industry

4 6966

What is the fundamental cause of transients in power system?

3 7327

What is Exitation voltage and Exitation current? What is the function of these in Alternator?

TC, Tisco,

2 9374

Why sometime AVR and sometime Booster coil is used in Alternator? what is the diferance between AVR & Booster coil due to which they are selected

Bajaj,

3193

What is the tube exial fan?

2280

What is expention fastener (Fan)

2103

What is reactance? what is the function in Auto transformer and why high leakage reactance?

1 7632

Is Neutral earthing necessary for single phase system or Genset? if yes or no then why?

1 4798

If 24 KVA AVR having Input voltage 200-400v, Output voltage 415+-1%, what will be the voltage if Load is 13A.

Sterling Wilson,

2156

When we getting shock, its we getting from voltage or Current.

Juniper Networks,

14 22622

can you give me some names of projects which can be used in our daily life & which is having medium cost?

1 3742

How can we calculate earth mat conductor size ..? & give the formula to determine earth conductor size?

3 14620

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Un-Answered Questions { Electrical Engineering }

In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

2258

explain the Trip supervision circuit

2209

Define average demand?

1428

Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

2230

Is it possible to download the Siemens Selection Chart(TYPE 2 coordination) for 1) fuseless selection 2)Fuse selection

8297

for compensate 315mh inductance ,how many capaciance required?

2133

What do you mean by distribution transformers?

1226

why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

1902

in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients

2246

HOW DOES THE ELECTRONIC ENERGY METER WORKS?

2222

how to test and calculat the head and discharge in borewell compressor

2215

What is VSCF windelectrical system?

1995

which metal is use in shunt

6771

what is per unit calculation?looking for simple and strong explanation thk u

2951

Cables Construction hi friends, 0.6/1/1.2 kV LV , DC and Control cables are concentric copper conductor what does its means and what is the use of concentric copper conductor,and are this with copper tape shield or copper screening, ? thanks

1821

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