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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the difference between ELCB and RCCB. Please define the working of both.

6 13139

to hook up ten 50 amp rv pedastels at a lenth of 600 feet from the service what size will my service need to be and the size of wire will I have to run to each pedastel in series??????

1266

CAN WE CALCULATE THE NEGATIVE SEQUENCE AND ZERO SEQUENCE REACTANCE OF A GENERATOR USING ONLY ITS RATED VOLTAGE, KW, PF AND SYNCHRONOUS REACTANCE??? IF YES, THEN HOW??

4790

why we used to transmitt the power at higher voltage why not at lower voltage

8 6469

why after termination of HT cable armoured earth connected one end, why not connect other end.pls tell me correct answer.

3 9344

what is armature reaction?explain in simple words?and what is its infleunce on dc motor

16 32921

what is the difference between torque induced and torque load?compare them with respect to dc motor?

1321

what is the difference between ac and dc?which one is more efficient?and what r their advantages

1 3054

what is neutral plane shift?

1 8063

In Power transformer oil temperature or winding temperature will be high

3 13470

what is differnt between metering CTs an protection CTs

10 10736

MY QUATION IS ABT THE MAIN POWER TRANSFORMER IN STEEL PLANT , I WISH TO KNOW THAT WHY TRANSFORMER PROTECTION NOT TRIP AS CABLES ON THE SECONDAY SIDE IS WATER COOLED. TRANFORMER DETAIL NORMAL KVA--150 KVA PRIMARY VOLTAGE --34.5 KV SEC.NO-LOAD VOLTAGE---1.290-908-690V ( WITH PRIMARY DELTA CONNECTED) CONNECTION--D/d (EXTERNAL CLOSED) CONSTANT RATEING FROM--1.290-908V CONSTANT CURRENT FROM--908-690 VECTOR GROUP--D III

1 2625

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

HPCL,

1677

why electric shock due to dc is dangerous than that of ac

8 7184

What is different between Metering CTs and Protection CTs?

4 12597


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Un-Answered Questions { Electrical Engineering }

What is the difference between Delta & Wye windings?

1425


pls tell us AC plant are how do work and parts name with picture

1281


The power factor of the fixed load is 0.8, now the p.f is varying from 0.8 to 0.5.

1407


What is DTR erection?

3226


sir, I am from EEE branch.On feb 17 iam going to write an Exam for hindustan petrolium corporation Ltd.So plz send me the written exam pattern/Q's/interview questions.please mail to eee_dharmendra@yahoo.com

1225






In hydel power plants, L.A's, S.C's are placed inside the control panel boards. what is the purpose? [already the total body was earthed to ground.]

1240


Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

895


How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.

1536


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

502


How is operate breaker failure scheme in substation

1369


difine electrical ballast in HPSVL

1382


Mention how NPN and PNP transistor works?

500


how to compute kvar in substation feeder to improve power factor and sending voltage

1471


What is the basic principle of welding process?

1470


what is Fault level? why it is calculated? how will u decide same for our plant?

1363