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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

TNPSC Tamil Nadu Public Service Commission,

1832

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

SJVN,

2 5332

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

2 5302

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 8643

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

Jayaswal Neco Industries,

3 11599

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 16125

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 5564

WHAT IS THE MEANING OG (li = 7 In)

2143

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

1711

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????

2197

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

Wartsila,

2752

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

1812

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

2 4035

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,

4312

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

WCC,

2082


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is The difference between national electrical code and I.S.Code (electrical) and what is the value of NEC in electrical engineering field

1954


How much of the total hydro power potential has been exploited so far in india?

1057


in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?

2208


for what purpose the star point is done in ct

1358


what types of cable used in underground coal mining?

1432


How the annunciator works ? How to do its wiring

2242


Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB

2690


whats the application of voltage regulation? and whats the voltage regulation's device?

1843


why constant voltage transformer should be start without load? and if started then what will happen?

1995


How to decide cable tray size?

1083


WHAT IS THE DIFFERENCE BETWEEN GENERAL INVERTER AND SOLOR INVERTER TELL ME PLZ

2158


what are the possible reaons & remedies if resistance of NGR getting heat up

1795


what do you mean by plant earthing system.

2004


Are Refrigerators & Deep Freezers the Inductive load ? How to calculate the Power Factor & hence the Output Power for them ?

5061


How To increase Knowledge Of boliler regarding To Only Electrical Field..

1566