Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is Phase to Phase clearance for 800V System Operating Voltage as per IEC61439

667

what is relay what is protection & contact multiplying relays where it is used function in brief

797

What is the typical enclosure type used for Indoor switchgear / Outdoor switchgear Units? - In Onshore / offshore Units?

667

for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?

740

im electrical engineer, could any one help me for FEWA exam questions please ?

718

Yazaki india pvt ltd interview questions qurey related

652

bsec exam syllabus (mis)

831

If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.

720

If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021

830

Do you need any help with FEWA Electrical Supervisor exams?

655

Draw a SLD for main panel for school having connected load of 1200kw and emergency generator 200kw.also show the increase of additional load of chiller 225kw in the lv panel indicating meter postion size of transformer ,cables and capacitor bank.

626

a 230v transformer with step down ratio 19:1.it has 2000turns on primary and rated 25va calculate max primary current no of secondary turns volts/turn

1132

ELECTRICAL ENGINEER TEST IN FEWA ANY ONE HAVE KNOWLEDGE ABOUT THIS?????????

691

why we use single core 630mm2 cable for transformer secondary side

574

Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com

632


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Un-Answered Questions { Electrical Engineering }

in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?

1515


For a stable system, where should the poles of a system be in a root loci plot?

842


What is the power factor of an alternator at no load?

948


How can I calculate ISF of current transformer?

3191


I want single line diagram for AMF & DG syncronizing panel

6740






we have provided 30 nos. relay contacts in panel.I want to know how do we do the numbering for the relay contacts as per any applicable standards

1649


Readings of ER300P Trivector meter

5983


diff b/w normal grounding and resistance grounding

1527


I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?

1322


Can i replace Earth leakage relay to the faulty Earth Faulty Relay

1139


difrent between vcb acb sf6 and mccb breakers

4756


How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?

3713


What is difference between safe PLC and normal PLC

1104


CBCT selection

1902


Sir, plz tell me how droop setting is done in parellel operation od DG set ? please give practical example ?

1802