Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

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

6 15962

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??????

2090

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??

5637

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

8 9694

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

3 10990

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

16 39383

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

2305

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

1 4082

what is neutral plane shift?

1 10379

In Power transformer oil temperature or winding temperature will be high

3 15580

what is differnt between metering CTs an protection CTs

10 14545

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 3745

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

HPCL,

2388

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

8 10270

What is different between Metering CTs and Protection CTs?

4 15034

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Un-Answered Questions { Electrical Engineering }

WHAT HAPPENED DC SERIES MOTOR FIELD WINDING OPEN. CAN POSSIBLE.

3905

what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.

2053

what is mean by D.O. in distribution line poles?

1665

i have to install a HT panel, what components, I have to use in this and what will the diagram of that diagram,please tell me each and everything.

1811

How halogen & merquery lamp works.

2155

What is ST and specify its range of voltage.

1973

what are the sample questions asking to the test cunducting for electrical superwising lisence test?

2195

What is the need of generator relay panel

2098

i have applied for junior engineer 2 c&w for Guwahati RRB please send me last five year question paper

2171

What is earth?

2441

Why neutral point is consider as zero potential?

2625

What is the type of earth fault protection used in battery? explain.

2311

Define demand factor?

1118

Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.

2225

difference between a diode and thyristor?

2236

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