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Electrical Engineering Interview Questions
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As i want some model question paper in basic computer science and history please send me immediately sir

TNPSC Tamil Nadu Public Service Commission,

1287

a transformer can have zero voltage regulation a)o pf b)1 pf c)lagg pf d)lead pf

SJVN,

2 3573

1) How to calculate battery backup for ups as well as solar with complete formula elaborately......

2 4219

phase association of 3PH L&T static CT meter is wrong. means 1PH & 1 CT connected properly and other 2 voltage and CT's inter changed. what would be the impact in the reading?

KSEB,

3 5007

explain the f=np/120 this equ.how to come 120

Jayaswal Neco Industries,

3 9086

In a 3 phase,400v,4 wire system, 2 incandescent lamps, one having 230v,100w and the other 230v,200w are connected between r phase- neutral and y phase-neutral respectively. If neutral wire breaks which lamp will fuse first and why?

Eskom, SSC,

3 13080

a solenoid of inductance 250mH and resistance 10ohm is connected to a battery. the time taken for the magnetic energy to reach 1/4th of its maximum value will be?

SSC,

1 4460

WHAT IS THE MEANING OG (li = 7 In)

1281

Direction of flow of active power and reactive power with logic?

1147

take 100kva DTR( delta/wye ), what ll happen if we connect 11kv to LT side instead of connecting to HT side? will the DTR behave as a step up transformer or something else????

1600

what is the id1 & id2 setting in differential protection relay of CSPC?

Wartsila,

2021

what is the difference between gas group b and gas group c electrical equipment construction wise?

1224

1.how to calculate energy units in our home at singe phase, 2.415V,63A wiring what will use thickness of wire

2 3016

On a 3 winding transformer YNynd11, how do you apply REF protection to the Delta tertiary winding that is supplying auxiliaries to a substation?

Kwekwe Polytechnic,

3269

Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?

WCC,

1359


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Un-Answered Questions { Electrical Engineering }

what is meaning of bus riser

1669


state the disadvantages of carbon filament???

2207


what is level 2 automation?

2516


What is the tests required for a 132 kV, 400 kV , 765 kV for a Circuit Breaker and Power Transformer before commissioning ?

1011


What is the control action?

478






Can you explain about pole discrepancy scheme

1549


how we can adjust for three phase motor cold stall time ,hot stall time and thermal register set up?

2334


What is the difference between in Fourier series and Fourier Transform. and please tell me the difference between both of them and the why we use them in communication system?

1353


Explain Random and Deterministic signals?

1139


and gate circuit diagram,amplifier circuit diagram

1433


What is the unit of charge and current?

483


What is force on parallel conductors ?

478


How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

1283


What is the difference between rulling span and wind span of of an Over Head Transmission Line?

1634


In layman terms, what is the difference of Dielectric strength and dielectric constant when speaking of an insulating oil

1972