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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is mean by harmonics?Type of harmonics?

6 8524

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

2160

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

2415

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

1 3668

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

Subros,

1918

why ac ratings are in tons?

2 5024

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 7086

why power factor is only cosine angle not sine angle?

2 5645

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

1974

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

1 17444

how to decide the capacity of accl

2439

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

Siemens,

2422

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 3946

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

2168

Difference between copper earthing & aluminium earthing?

2 5879


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

why we can use 1 to 5V dc

1960


electrical ques

2138


What are the advantages and disadvantages of closed-loop control system?

1188


If i have two 3000 kW motors and the whole facility requires a 10 MVA transformer. What would be better installing two 5 MVA transformers(one for 1 motor ) or just a single 10 MVA transformer for both of them. Give reasons for your answer.

6128


how to modify DOL control panel into Delta Y connection?

1951


what are inherent currents?

2023


How to calculat the ratio of HT\LT in energy meter

2712


What is mean 2XWY

2494


I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400

1817


In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??

2075


Define unilateral circuit?

1243


in the case of 6.6kv motor starter combination contain fuses on it VCB. but in 11KV motor starter combination Fuses are not using in it's VCB why?

2284


What is dynamo function in DG sets and draw block diagram?

2040


What is the formulae of Megger value for a A.C.Motor

2896


what types of electrical & mechanical test conducted in switchyard?

2233