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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is form factor.and rms value..

IIM, Torrent Power,

1 2943

WHY ARE THE LT GENERATORS SOLIDLY EARTHED WHILE THE HT GENERATORS ARE EARTHE THROUGH NGR OR NGT??

3 5422

what is the maintaining Cf in UPS.

Enercon,

1244

how to design domestic earthing pit and earthing wiring?

1 5298

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

1053

why induction motor always operate at lagging p.f.?

4 7828

if we give DC suply to the AC motor what hapen

TATA,

5 5181

Why Indian Electricity frequency desined 50 Cycles as developed countrys are using high frequency with low voltage

1 3402

what is the use of spherical metal balls attached on to the earth wire of transmission over head lines?

2 2822

what is the function of an auto reclosure relay in OHL?

1 3332

why transformer capacity is called KVA and motor capacity is called HP/KW? Why transformer capacity cant call HP/KVA?

5 9089

what happens when back feeding supply accidently collapses with normal supply ??? How?? [that is sometimes in a substation 11kv feeder if their ws long time permit work, back feeding supply will provide from nearest substation... if accidently after the permit work,they charged the feeder without removing back feeding wat will happen...?]

KSEB,

1 2970

Difference between low impedance and high impedance Restricted Earth Fault

2080

Differentiate between Low and High impedance Protection

1 2450

Differentiate between Zero and Negative sequence current

999


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Un-Answered Questions { Electrical Engineering }

WHAT IS MOBILE SUB-STATION? & REALLY BENEFIT IN INDIA

1134


what is counter poise conductors

1083


What is Meter MF if External CT Ratio is 150/1 , PT Ratio is 132/110 Meter CT Ratio is 200/1 & Meter PT Ratio is 110/1

688


what is the difference between vector scale and vector diagram?

3054


Why it is possible to use PWM with a STATCOM and not with a conventional TCR based SVC

1026






In convertor can we use rectifier thyristor in place of invertor thyristor with explain.

926


How to reduce -234126219.6403 MVAr generation and by what?

765


Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????

980


what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?

1261


What is called grain-oriented laminations?

141


hi i have applied for lic of india south cenrtal zonal ,hyd. i didnt get hall ticket till now.let me know how can i get form internet

1013


What is I to C?

1151


Why we are going for converter transformers for DC drives application instead of distribution transformer?

990


Why choke coil is connected in series with starter in tubelight??why starter is connected in parallel to tubelight??

2341


how does an centrifugal and screw type chiller will work. which chiller efficiency is high and why.

1373