Electrical Engineering Interview Questions
Questions Answers Views Company eMail

will aqatic animal die if we ground the wire of three phase instead of grounding to earth

2 1301

what is diff b/w electrical & electronics ?

Bhel, UltraTech,

6 4014

what is the formula to convert from KVAr to current?

Halcrow International Partnership,

1 1989

What is auto reclose system in Circuit breakers

1 1667

1)Why V cross Arm is used in transmission lines? 2)Why H cross Arm are not used in single poles?

1 2442

hi i am aziz electrical associate engineer. i am faceing problem in acs800 vvvf drive.it is tripping wothout any alarm/fault.i cheaked all parameters and fault function of drive, all are correct as well as communication parameters.but still it is tripping (drive is tripping in running position not in starting)

1 1334

why we use DO Fuse in H.T. Line ? What is the purpose of DO Fuse

3 13405

What is the function of semicon in 33kv ht cable ?

Finolex, Denson,

4 8772

what is the correct method for the outdoor termination of 19/33 KV HT cable step by step?

Finolex,

522

in dc transmission the frequency pi is zero, then how it will transmit communication signal?

1 1261

time constant of RC series circuit?

DVC,

2 1400

In PT the coil is wound on?

DVC,

3 1784

galloping in transmission line is due to

DVC,

2 1565

aeroline vibration is present

DVC,

1 1149

What is the importance of counter based plan & how is it scheduled?

TATA,

412


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Un-Answered Questions { Electrical Engineering }

HOW TO CALCULATE THE APFC Panel Design

433


how ceiling fan worked?

343


For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.

398


What the difference between ac and dc inductor an capacitor

502


how we select ac fuse rating of an power inverter???

400


What is the differentional relay...what is the work of this in power Tx. how it is works..

312


What is load boxes ?

536


what is the max. acceptable leakage current in 33kv bus bar

904


what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?

859


what is ratio of copper wire size and current ?

305


What is the difference between the impedance percent and impedance voltage ?

635


What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?

843


I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?

1974


why capacitance effect is predominant in underground cable transmission and inductance effect is predominant in over head line transmission?

1691


What is the reason for using a GE G101 MCB in place of an EP102 MCB if both are capable of AC circuit protection?

968