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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Do u know any one? how to find out in motor rated amps? formula?

Banking, ET,

1334

Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise,give with best examples.... please help me in this regards....

Modi Builders,

1 1718

What is reason to get a power factor nearly zero in resistive loads

2 2739

why square root 2 is multiplied with line voltage in selection of LA ie 11/sqrtroot3=6.35 kv and it is multiplied with sqrt2 ie 6.35 KV*sqrt2=8.9 kv we will select 9kv.my question is why we are multiplying with sqrt 2?

KSPL,

1 3018

Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise carrying amps rating.Please give the solution with a good example.

Modi Builders,

1090

Reason of secondary of ct always short

ANITS, EID Parry,

5 3978

If Three Runs of 1Cx300 Sqmm Cable between Transformer and VCB and the distance between 100mtrs. what will be total length of Cable and if cost 1500Rs per meter,what would be the total cost

ANITS,

1 2377

For Bus duct hi pot test, where we want to connect the return and ground leads?

2 3315

Is KCL applicable for close circuit?

Toto,

2 5754

why ht line fuse wire is so thin

DLF,

7 8280

A wattmeter is marked 15 A/30A, 300V/600V and its scale is marked up to 4500 watt. When the meter is connected for 30A, 1600V, the pointer indicates 2000 watts. The actual power in the circuit in

Jindal,

1 8994

how to calculate transformer turn primary & secondary side 11kv to 420v

1572

how to give earthing in ships?

1 2391

on a three-winding transformer relationship delta-delta-star, on third winding why the relationship is a star? what are the advantages and disadvantages? Thank you and please help

1033

What is FTA card? How it works?

1523


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Un-Answered Questions { Electrical Engineering }

234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

1375


Why in 6 KV XLPE cable termination kit used and why not in 380 V xlpe cable same is not used

1999


how can you size an automatic voltage regulator?

1688


What it the purpose of parallel phasing transfomers??

1334


Do closed loops systems require manual input?

498






i had aplied Hindustan Petroleum corporation limited for the post of maintenance technician -Electrical,i want model questions,if anybody have please send it or please advice?

1275


Starting current of a 10 HP induction Motor is ______ time’s full load current.

1283


What facility we get after CT secondary earthing and how?

1566


Dear Sir I am living in Jaipur Rajasthan  now I did complete my b tech degree in electrical engineering in 2012  Sir how I gate certificate of competency for electrical supervisor

1432


Define bibo stability.

487


is it possible to have dc motors on single chip

1169


clarify types of motor operated valves and advantages

1322


What are the necessary components of the feedback control system?

533


1.What will be stored in online ups EPROM IC?

1437


Where is the best place to mount  distribution panel in a house.

1482