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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the difference between grounding & earthing?

9 23182

How to specific gravity of battery will check, i didnt saw any hydrometer. & say me how to dip into the battery what are the specifications are given in the hydrometer?

1 4217

What is the d/f between DOL & star delta starter & automatic star delta starter?

ACC, Dalkia, Engineering, Indeco, NINL, Novotel, RMH Control Systems, Wipro,

23 165387

What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage

Indeco,

6164

How LT megger works ?

2132

some times voltage does not built in small generators why ?

2 4492

what is the effect of power factor on DG supply,i mean to say what will the effect if we add capactors on dg supply.

HCL,

4 8365

What is the effect if power factor is above 1 or unity.

NTS,

15 49797

what is the effect if we add capacitor on DG supply, it has any loss or benefit.

6 13249

what is the difference between upper impedance and lower impedance distance relay?

Havells, Power Grid,

3 11552

whate is the meaning of balance/unbalance,in stabilizers type

TCS,

2140

what is the highest transmission voltage in india???

Bhel, EIPL, Engineering, Jindal,

49 60776

what is the application of dynamic Breaking resistor in inverter ? & How it works ?

2 7285

if 15 kv is grounding directly what will happen?

5 10724

how the works electronic energy meter?

Bhel,

2165


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

direction of tarbine& genrator

2092


What is resistance reading of earth copper rod with grid and without grid?

1147


List of equipments required foe industrial repair lab.

1896


HOW WE CALCULATE CURRENT IF THERE ARE NOT PRESENT ANY AMMETER OR MULTIMMETER??????

1870


What was the Dg set radiator and lube oil temperatures trip in ACB

1830


why zero sequence impedance measurement is not applicable for single phase GT

2199


Define noise?

1168


in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly

2305


either water sensor or flow meter,how we observe the water level, f any other equipment are in market ?

1879


in an electronic tri vector meter when the current and voltage sequence changes ? what is the effect of phase sequence on recording of meter

2232


what are the effects when a salient pole alternator is run at high speed like 3000 r.p.m?

2427


what r PID controllers?why they r used?what is there purpose?plz Explain in detail

2073


what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?

10308


What happen in ups if phase reverse?

2288


Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity

1883