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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 15731

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??????

2036

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??

5577

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

8 9475

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

3 10877

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

16 38885

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

2233

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

1 4015

what is neutral plane shift?

1 10288

In Power transformer oil temperature or winding temperature will be high

3 15456

what is differnt between metering CTs an protection CTs

10 14278

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 3671

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

HPCL,

2338

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

8 10006

What is different between Metering CTs and Protection CTs?

4 14895


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

concept of busbar and load dispatching..?

2381


What are the types of windings according to the construction?

1082


what is the best method of grounding in 30 MW generator?

1982


we have a 2.5hp Starite electric motor water pump,the elec motor burned out,we need to replace starting capacitor(old capacitor specs erased),what microfarad rating capacitor do we need? 110-125V

1828


To prove the capacity of a 10MVA transforemr with 6.5% impedance by a short circuit test how much power is needed to inject an impedance voltage if we have to arrive for its rated current?

1868


what are all types of cross section in AC cables?

2244


What is meant by Low Resistance Cable and High Resistance Cable.

1874


How to Calculate The sag of OPGW in Transmission Line???

3080


I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2

2883


What's the difference between non break power supply and non break non short break power supply

1409


difference between main metering kiosk and check metering kiosk

2938


what is v/f control in VFD?

1497


What is meant by Im=30mA@Vk/2. How to know the kee point voltage for CT design

3402


WHAT IS DEGREE OF COMPOUNDING IN D.C MACHINE MEANS? HOW TO READ THE OPERATING CHART FOR ANY ELECTRICAL MACHINES?

4817


Can anyone explain me about the RLC based Impulse high voltage generator and how to and operation of Series resonant High voltage reactor...?

1900