Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is mean by harmonics?Type of harmonics?

6 6610

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

1667

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

1874

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

1 2915

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

Subros,

1488

why ac ratings are in tons?

2 3988

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 5520

why power factor is only cosine angle not sine angle?

2 4618

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

1526

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

1 15988

how to decide the capacity of accl

1917

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

Siemens,

1905

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 3202

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

1659

Difference between copper earthing & aluminium earthing?

2 4722


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

condition Autotrip facia come on control panel of electrical transmission line?

1094


USE OF 8 WAY PAN ASSEMBLY

1501


what is the acceptable limit value for Desolve Gas Analysis/

1442


what is the advantages og idmt relay over magnetic relay??

3729


how many types are their in switchyard or substation(like D,I TYPE), what is differant between them

1670






how balanced in star delta connection ?

1636


what is difference between bus coupler and auto transfer switch

3333


According to underground cables a) stress b/w sheath & conductor is high b) inrush of core & conductor

1522


while doing high potential for 11KV 3 core cable how much leakage current will obtain?, what will be acceptance value?

2433


If short circuit ratio is high is it bad or good for a machine then tell the reason...

1609


we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

1492


TRANSFORMERS WITH DC SUPPLY

1525


How to confirm the Phase shifting Transformer VECTOR GROUP relation , as below ZNy11.45d10.45-ZNYy0.15d11.15

2768


why the India electrical supply transmission loss is high when compare to us

1563


What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

1917