Electrical Engineering Interview Questions
Questions Answers Views Company eMail

sir, how to select the cable size, what is the parameters use ang what is the formulas use for this cable size calculations. please tell me.

ISRO, Power Grid,

4 13165

Please brief working principle & construction of permanent magnet AC Servo motor

DRJ ARDE,

1739

what is meant by crawling??

10 14118

WHAT IS A COLOUR CODING OF 3 CORE CABLE

11 13594

What do you mean by cogeneration? What its working principle?

2760

what is mean by induction & conduction principle ? how they differ from each other ? thank you

1 3844

Sir, how to calculate the voltage drop and short circuit current of cable. please give me example and formulas.

1 5500

What is the Operating Powerfactor of UPS??? Why??

3 5084

when is the Ohms law is applicable?

ABB,

11 20219

what will happen if dc machine are supplied by ac source??

2 4608

what is the difference between static and dynamic induced emf?

College School Exams Tests, MRF, Suraj Constructions,

14 121725

IC 741 is opampIC..moreover AND OR NOT ICs also have '74' in them.. why is that number specifically used?

1 3107

how will calculate the safe starting current of 3-phase squirrel cage induction motor?

1436

in 132 kv transformer , in which range of transformer oil bdv required ? if it has around 50-55 , then how it was insulated the winding ?

Voltamp,

3 11581

WHY CAN WE NOT CHAGE SPEED OF SYNCHRONOUS MOTOR...............................JUSTIFY

ISMT,

2 4552


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Un-Answered Questions { Electrical Engineering }

how to calculate vfd o/p voltage by frequency

1706


howmany electrician should maintain for a 1000 kva used plant... in kerala..

1617


types of central Air conditioner plant?

1696


what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem?

1541


What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?

1445






How will you define capacitance?

693


A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

1453


could anybody able 2 send me jindal steels previous papers fr electrical steam....pls send 2 my id if possible....sirisha.shaik@gmail.com

1571


Why front mounted CT polarities are always towards breaker?

1512


Basic motor transformer generator

951


What is The Resistance Formula

772


i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result

1541


What is the role of Dedicated earthing in UPS System?

2625


what is the difference between fault current ant short circuit current?

2248


I want formula to calculate cable size as per load given in length & amp. I searched many sites but didn't right answer. Please reply me asap.

1031