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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

whether energy meter is connected in series or parallel.why?

Encom,

2 16452

Why a dc generator gives result during two different condition,- 1)separately exited gen.- Eg=110 V, field current=0.25 A. 2) self exited gen.- Eg=30 V, field current=0.025 A.

1 3076

During speed control of dc shunt motor with flux control methode,when armature voltage is constant, How can it possible to increasing the armature current?

1 3086

Why we use two wattmeter during block rotor test and no load test of 3phase induction motor? And how can we understand the neat power requirement of from this test?

2 10643

what is FET

1 3728

What meant by XLPE cable

3 6043

how we design a pannel to start 10HP motor with the help of star delta starter?

2168

given data are load current & power factor cable core size? plz any one update the calculation formula

1857

i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.

2298

what is meant by negative half cycle

2 4022

Hi,My name is ranms i want to know the machine vibration related problems.post me if any body knows. 1) Possible causes of machine horizontal vibration high? 2) Possible causes of machine vertical vibration high? 3) Possible causes of machine axial vibration high?

1 2910

As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.

1812

What is a charge.?

4 5747

how an electron flow in a wire. can it flow like a car running on the road?

2 4164

why a bulb glow when connected with two end phase and neutral respectively.

ACME,

1 3902

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Un-Answered Questions { Electrical Engineering }

When we need up only in o/p 440v, so why we use directly in 11kva in input?

1646

in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.

3424

What is a parabolic signal?

1113

how to failure indution motor insulation & how to improve heat in motor insulation

1829

What is resolution of a measurement?

1151

why need to be maintain power factor for industrial customer?

4971

state the working of discharge lamp?

1963

What products have you designed which have entered high volume production?

2027

Why we are use dol starter up to 10 hp

1336

What is the abbreviation of NGT panel

1995

I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field

1826

What are the different types of hydro schemes?

1202

How test for Ddo vector group test condition?

2413

Is phenomenon of resonance is harmfull fr the machine? if not or if yes please explain it?

1891

1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.

2153

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