Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

6 10822

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??????

696

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??

4177




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

8 4066

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

3 7681

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

16 27594

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

688

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

1 2251




what is neutral plane shift?

1 4056

In Power transformer oil temperature or winding temperature will be high

3 9271

what is differnt between metering CTs an protection CTs

10 7546

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 1759

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

HPCL,

1031

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

8 4999

What is different between Metering CTs and Protection CTs?

4 10329


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Un-Answered Questions { Electrical Engineering }

Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?

402


I NEED RRB SYLABUS FOR JE ELECTRICAL ,PLEASE SEND TO MY E- MAIL ID joo28_eee@yahoo.co.in

1653


how to calculate energy of 3-phase motor?

786


Safety of on line ups

689


What is the actual calculation for transformer short circuit test?.

1109






we have an energy meter in a capacitor bank panel, So should we consider it's readings as energy consumption on daily basis. (when capacitor bank doesn't have any energy losses)

1183


EXPLIAN THE IMPORTANCE OF POLY PHASE CIRCUIT.

801


How Self works in DG set

541


which is the best institute for PLC,SCADA,DCS in hyderabad

1092


how to test the turn ratio of 3 phase transformer using volt meter shoe the curcit diagram.

1103


I have been using an 600VA with 0.6 p.f UPS with my desktop which has 450W power supply unit. Can anyone explain how can this happen . Because the output of the UPS is 360W (600*0.6) (<450W)

918


wat is meant by PX class in ct?

753


What is the BS(British Standard)code for 11kv motor

3014


-What should be minimum value of insulation resistance and maximum value of earth resistance at any electrical instillation and what is method of testing the same.

819


why zero sequence impedance measurement is not applicable for single phase GT

857