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,

1479

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

SJVN,

2 4158

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

2 4631

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 7133

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

Jayaswal Neco Industries,

3 10502

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 14776

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 4907

WHAT IS THE MEANING OG (li = 7 In)

1609

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

1350

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????

1852

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

Wartsila,

2328

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

1426

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

2 3359

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,

3660

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

WCC,

1614


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Un-Answered Questions { Electrical Engineering }

How to calculate the heat load for a electrical room

2655


plz send me Bhel, Mahagenco, sbi previous exam paper for electrical engineer on my email-id kambali_smita@yahoo.co.in

1968


State Maximum Power Transfer theorem.

766


What is the difference between circuit breaker and isolator

763


What is the function of the circuit breaker failure relay?

1929






Write the force balance equation of ideal dashpot element.

881


what is cogging and crawling

2043


placing earthing pit in pathway is correct or wrong??. placing earthing wireGI1/18 inside walls is correct or wrong?. explain!!!

1727


what is the difference between capacitive and resistive voltage divider?

2965


what kvrah y we need to take the readind of that

1629


What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?

714


WHat is the general checks required for Dry type transformers

1687


Differentiate between ideal and non ideal current sources?

702


whats the existence of reactive power and when it arises?

1660


what the principle of sincroscope?how it works?when it needed?

1805