Electrical Engineering Interview Questions

what are the advantages of having high voltage in transmission lines?

3629

What Should be the rating of transformer used in 33KV substation?

8038

onan full form

2977

n1 =1000 n2 =?;v1 =200:v2 =400

1839

HOW MUCH CURRENT CAN CARRY A 50 kvar DELTA CAPACITOR BANK?

2865

what is function of rtu?

2089

hi frnz,can somebody give me any project work? i am a 2nd year student & interested in practical works...plz give me some projects

452

how is the many rpm of acb charging motor ?

2550

why the transformers are rated in kv not kw?

L&T,

3886

why we grounding the neutral of a transformer?

GAS,

2221

Does human body can effect the electric shock when stand on Insulated material?

2010

why we create vaccume in transformer tank before oil filteration?

2837

what is apparent poewr, reactive power, & active power?

613

what is the difference between RTD & TERMO COUPLE?

2572

what is the difference b/w low voltage motors & medium voltage motors

2145

Un-Answered Questions { Electrical Engineering }

explain the Trip supervision circuit

596

how we can calculate the efficiency of a diesel generator ?

172

i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors

434

Give atleast 20 alternating current apparatus and devices.

208

where lt & ht capacitor used

579

what is pmu

161

which type of capacitor store high amount of energy for long time ? ( polarized or unpolarized )

480

why we testing the core balance of the transformer before comissioning?

505

what is charger supervision and control supervision?

457

what is th basic difference between a d latch time line and a d flip flop time line???

504

1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to confirm its base capacity?

461

i will applied in 1U-1W on 440 volt primary delta side. what is the result of magtic balance test

415

What are the causes for the failures of sandwich type (Al) busducts?

438

how can i determine the KVA/MVA rating of transformer precisely?? is there any standard test?????

763

Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?

291