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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Corona occurs between two transmission wires when they (a) are closely-spaced (b) are widely-spaced (c) have high potential difference (d) carry d.c. power

Power Grid,

2 5611

which type of winding is used for high voltage & low current?

GEB,

1 2429

Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?

1451

Difference between rating factor of cable and derating factor of cable?

1599

what size steel armoured cable is required to support 1500kva capacity. would 70mm squared be enough or would I need 90 or 120mm squared 3c plus earth

Conan Minerals,

1348

single phase voltage 230 and Three phase voltage 450 why 690 voltage

XYZ,

1 2656

Why PS class CT is always preferred for Differential protection?

1552

Who are the manufactures those manufacturing 3Cx2.5sqmm FRLS cables. I heard about FRLS technology adopted only in wires useful for wirings

2033

For 160kw motor what size of cable and material is needed.?

1 2567

how to calculate IR value of 33KV cable ??

1834

How many battery required for an 3kva online ups with 3 hrs back up with usage of 3 fans,3tube lights

1 2523

list the advantages of RCCB over other circuit breakers?

1678

what will happen if dc is supplied in acb or mccb or other circuit breakers?

1 1912

sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason

UltraTech,

1431

3ph motor running with unequal kw and different pf what are the reasons

UltraTech,

1793


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Why we use auxillary relay ? what is function of differential relay, directional o/c relay?

2131


ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com

3376


Advantage of LT panel vs HT panel

2876


DC transmission

2022


What is the difference between rated and per unit in transformer?

2148


1.what is mean by 8/20 micro sec waveshape

2181


Define open loop control system.

1063


i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.

1885


Where can i get practical knowledge of solar system?

1416


bsec exam syllabus (mis)

1230


In aerodynamic turbines which element is NOT there a.stator b.compressor c. Fuel intake system d.fans

2091


pls someone send me sample question papers along with the key.thanks in advance

2340


Which test will be more severe for VCB?

2612


please send me last 5 year interview questions

2166


what is the terminal voltage of dc series generator running at rated speed at no load?

7529