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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,

1846

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

SJVN,

2 5356

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

2 5318

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 8675

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

Jayaswal Neco Industries,

3 11624

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 16154

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 5569

WHAT IS THE MEANING OG (li = 7 In)

2153

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

1716

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????

2205

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

Wartsila,

2759

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

1822

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

2 4046

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,

4328

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

WCC,

2094


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

where is core-type and shell-type construction suitable for transformers ?

2043


What is zero of the system?

1059


what is the voltages using in movie theaters??? why ??why not other??

2243


EHV current carrying parts need to have smooth finish,then how can a 245kv GIS with emery finish can run so long?

1832


how to calculate singlephase motor efficiency?

2191


what will be the maximum winding temperature of 6.6kv HT motor 450kw, Full load current 49A. 50Hz Frequency.

3178


I have a reading off 1.5ohms at my mem my main c/b is rated at 40/6 amps in a domestic house and i was told to change it to a b curve c/b is this ok

1625


Write the current equation in series RLC circuits.

1085


What is different bewteen low or high impedance busbar protection scheme

4080


WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION

1919


How to prepare electrical preventive maintenance plan & shedule of machine tools in manufacturing unit.

2125


how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?

2090


what is the usage of microcontroller in the panel board?

2045


i need to give section engineer (electrical engineer) for RRB. Please suggest some book

1831


why the voltage and current in a long transmission line are called travelling wave?

2184