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Electrical Engineering Interview Questions
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what is mean by harmonics?Type of harmonics?

 6 6884

hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks

 1777

Why let through energy not considered for ACB breaker while cable sizing?

 1967

Why electrons flow only one direction in semiconductors. why can not flow both directions

 1 3043

how can i apilly for electrical c licencese.sir,i completed B.Tech in electrical & electronics engineering in 201onot working any company

Subros,

1576

why ac ratings are in tons?

 2 4170

if a bird sits on the service wire it didn't get shock then why the human get shock when he touches it(assume that human is not on the ground and any object i.e. in space)?

 5 5790

why power factor is only cosine angle not sine angle?

2 4805

when measure the core loss of three phase distribution transformer or three phase reactor loss, one phase shown negative watt loss. why??

 1610

what is the difference b/w bus reactor and line reactor?

 1 16232

how to decide the capacity of accl

 2010

What is Scheme Test of High Voltage Switchgear. Which tests it includes.

Siemens,

2002

How calculate cable size & voltage drop for the following requirement connected load 150 KW distance cable length 1000 M voltage 3 phase 415 v.

 1 3314

how to put cable sizing and cable glands size for respective cable & Cable Lug size in a DB sectors???

 1737

Difference between copper earthing & aluminium earthing?

2 4875

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Un-Answered Questions { Electrical Engineering }

what is (+) and (-) in generator field detector stand for?

1469

1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

1892

What are the different types of hydro schemes?

757

what is smartµ grid technology?under coal gassification?

1578

what is the difference between interconnection and intraconnections in the circuit diagrams

7728




What is a fuse? How does it work? What are materials used?

1623

What is current & voltage ? Voltage perform at any load without current or not?

1457

differnce between single acting and double acting solenoid valves

1489

what is difference between speed mode and torque mode in motor?? explain in simple words please.

1233

in electrical control panel. how can i choose the cable rating. (example - 11kw motor, 18-25A mpcb}

2493

how pt is using

1561

Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

1927

How to measure size of cable on a given load

1475

5- What is the task (function) of the excitation and isolation transformers in power plant? 6- What is the task (function) of LCI (A), LCI (B) and LCI (COS) in power plant? : LCI (A) and LCI(B) are load commutating inverter for generator turbine starting. , LCI (COS) is load commutating inverter change over switch

3440

Differentiate between Zero and Negative sequence current

1523

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