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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how can I improve the current at same voltage? if yes is there any circuits?

2 2842

how to calculate regulation constants for over head lines? and what are the regulation constant for raccoon conductor at different voltage level and different P.F?

1237

If i=10+10sin314t then find the rms and average value of current with explain?

Heptacare, TCS,

2 10210

If ct ratio is 250/1 and mtr is of 5 amp, what will be mf?

1 2045

What is process of anneling transformer core

1212

Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

1223

iam completed my DEEE in eillm university. can i get the c licence in tamilnadu its possible or not

1 2452

why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?

Government, PSU,

2172

what is ratio of copper wire size and current ?

1178

why select the 3 phase power supply system in electrical system.

RSE, Yamaha,

3 5410

i HP = ?? 746 watts or 735.5 and how??

1 5096

What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

ABB,

2745

What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?

3183

What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer

ABB,

1717

What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

ABB, Jindal,

1646


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Un-Answered Questions { Electrical Engineering }

What is s-domain and its significance?

503


Is there any reason that we get shock on touching phase wire because the earth is at neutral potential? Is there any reason that the earth is at neutral potential because the neutral is earthed in apower station

1367


When a single pase capacitor run motor- run on 230vac and Case(1)run with 8 Mfd 250 vac.capacitor , Case( 2) run with 8 Mfd 400vac capacitor. What is difference between both case regarding power ,efficiency etc?

1419


operation of protection relay watchdog contact?

1741


How to resolve if Diesel generator stop while running ?

2425






what types of cable used in underground coal mining?

840


What is a single phase autotransformer?

441


What is accuracy of a measurement?

520


difference between a diode and thyristor?

1578


What do you mean by Stimulastion Test in Diesel Genarator / Why & when it's conducted ?

1027


hello!my name is sheikh iam preparing for indian engineering servieces,please send me the old question papers..to sheikhshaazforjobs@gmail.com

1411


what are the breakdown voltage rating of mini- curcuit'transfarmer!

1462


I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1226


What are the application of filter?

486


I NEED RRB APTITUDE QUESTIONS AND MODEL PAPER,PLEASE SEND MY E-MAIL joo28_eee@yahoo.co.in

1273