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Electrical Engineering Interview Questions
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what is the difference between 11kv and 13.8 kv? why we can't used one of these 2 sources?

2 5007

What is maximum rating of transformer ?

 2 5103

What is reason of rating of transmission line multi pal of 11 like as 11/33/66/220 ? Why not use 75 kv 23 kv line in power system ?

Apollo, Balco, Bhel, Vardhman,

1 2673

what is the electricity

3 4339

IS THERE ANY ELECTRONIC CIRCUIT TO REDUCE THE NEUTRAL TO EARTH VOLTAGE BELOW 3V ?

 1 2671

Dear All, In a 400V power system, ratio of three current transformers installed incoming switchgear is 4000/1. Maximum three phases short circuit current of this system is 48kA. One CT is installed on neutral of upstream transformer (6/0.42kV, solidly earthed) for 51G protection. Would you please inform me about the correct CT ratio of this current transformer (on neutral)?? Thanks a million

 2 3865

ac and dc motor advandtage,disadvantage,aplication

Apollo,

2 3961

what would happen nif we increase or decrease the capacitor of a flood light.

1 2689

The gauge indicates the number of amps, but what about voltage? How voltage rating (for wire or fuse) determined?

 1504

What will happen to magnitude of voltage of other two phases if one phasw will touch the ground?

Construction, NPCIL,

3 4861

What are the factors considered for the selection of cable?

NPCIL,

6 32891

Draw torque - speed curve and load curve of induction motor? mark operating point ?

 1514

why distribution transformer are of DY11 type?

 4 12394

how to check a three phase induction motor by multimeter & megger?

 2 18695

Short circuit current of 2500 KVA 11/0.415 KV transformer both Secondary and primary side. best regards. Ali

 1 3000

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Un-Answered Questions { Electrical Engineering }

If Dg set load increase 25%, How much increase fuel Consumption (15 kva 2 cylinder DG set)

1820

how we do Vector group ,magnetic balance and tap changer test in Transformer?

2018

how many types control panel of a 132/33 kv substation

2216

What is boucholz relay and the significance of it in to the trformer?

650

XYZ

1675




Why we make earth connection with Transformer Body and What will be the minimum size of copper wire as per code with respect to KVA rating of Transformer?

1283

wat is the current produced in a 5000v megger? when the positive and negetive terminals are touched on our body get s shock?

1480

What is clock position of Transformer?what are the clock positions are there?and what is different of them?

2608

How can we increase the capacity of Energy.?

1666

i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.

1557

i applied for the ap transco please forward the freqventley asked QA

1535

1.Can we use 6.6/11KV 300sq mm xlpe 3core cable for LT use (415 Volt). 2. If we use it for LT then what is the current rating

1211

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

1611

What is contract demand in solar system?

1122

What is reactance, reluctance,capistance, pls give answeer in hinglish and be simply Jo asani we smajh m aa jaye

1563

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