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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Neutral CT for 45MVA 132/11 KV YNd11 Transformer. NCT REF CLASS-PS or 5P20 with 20VA burden which is suitable.

1 1824

If a three phased motor or not working phased change on poles so how to find which one red yallow & blue

1 1714

What is difference between ct&pt transformers?


4 3250

what is difference between neutral& grounding?

6 3413

what is thermal resistance of PVC Cable.


What will happen if we give 220v supply on both sides to the bulb

Exide, Sumeet Industries, Toshiba,

6 7079

In Induction machines which type of emf is induced ( statically or dynamically)?

1 1694

What is the difference between multimeter


How does a ideal c.t. works ?


What is the lower limit of break-down voltage of converter transformer.

Tata Steel Limited,


What is Harmonic affects in power system. what is unit of harmonics and how to measure it. how much value should be in power system.

1 1857

Is RTCC panel needs any control supply.

HPCL, Schneider,


What is the maximum advisable distance where it is required to interconnect a 500 KVA 480 V 3 ph transformer and the main panel or MCC ignoring the voltage droop affectation, does it is exist any standard about it?

2 1665

what is the difference between c power and U power acb breaker

Radisson Blu,


11 KV distribution system where neutral is produced ?

ciss, TATA, Tata Motors,

4 3998

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Un-Answered Questions { Electrical Engineering }

Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.


What is the limitation of kirchoffs law?


When we need up only in o/p 440v, so why we use directly in 11kva in input?


why chock were used in old tubelights but are not newest tubelights?


temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%


operation of protection relay watchdog contact?


Load break swicth maintenance procedure.


how did i get the competency certificate as electricle supervisor. iam completed my i dnt have any experince, this certificate is required for applyng ongc mangement trainees. what should i do sir please suggested me


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What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)


Wind mill


what is acceptance test in electrical engineering.


What is the different between conventional MCC and intelligent MCC? Common controller or controller for each bucket


why we use sinosidal voltage / current instead of others in system?


Why it is necessary to isolate fire fighting when you are taking shutdown for lv board.