Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how to calculate the multiplying factor for energy meter with CT ratio given

Bhel, Dalmia Group, DIFC, Fedco, Hindustan Unilever Limited, Lupin, MahaDiscom, MAL Pakistan, Myunghwa Automotive, Panchshil Infrastructure, Regala, RVPN, VIPL,

23 252527

if field current decreases how can the speed increase in the unloaded dc series motor

1 2882

basic princple of induction and synchronous motor

1 2950

which MPU register provides the address from which the next instruction byte is to be fetch?

1 2845

briefly explain the main blocks found in a microprocessor based system

1691

What is the role of Tertiary Winding in Transformer ?

2 5682

Explain role of Buckolz Relay in Transformer ?

7 8808

Is it possible Z axis excess error alarm reflect in X axis if yes explain ?

2026

can we make a loop between neutral and body for grounding?

2 3937

what is -24vDC and how can generate this -24vDC

Blue Star,

1 5336

What is floating voltage?

1 9481

AC voltage only create magnetic flux in coils, but in Solenoid coil how 24V DC volt create flux and pick the plunger

5 10581

why crgo core is used in transformers?

Bhel, TATA,

6 30509

What is YNyn Transformer? and what are the other types in this?

3 17224

How we can calculate the capacity the Air Condition capacity? like 1 or 1.5 ton's, What is the means of volume of Ton's in capacity of Air Compressor? Why in ton's,? not any other Volume?

2 4352


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Un-Answered Questions { Electrical Engineering }

Where burned of electricity,when,who, & why.

1482


What is the difference between resistance grounding system and resistance earthing system?

608


What is pi controller?

643


dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish

1880


do anyone out there know where to find a compleete list on acronyms/abbreviations used in offshore electric engineering. MCB - Micro Circuit Breaker, MCCB-Mouldes Case Circuit Breaker, ELCB-Earth Lekage Circuit Breaker, ELMCB- etc.....

1539






what is mean by PIR in circuitbreaker and give me detail of that?

3064


Define conversion efficiency of a power amplifier.

667


Why field rheostat is kept in minimum position while armature rheostat at maximum position?

602


how to fit 3 HP crompton gear motor with conveyor with the use of staring delta starter or ordinary starter?

1489


What is process of anneling transformer core

1429


how harmonics generated in induction furnance? how minimise it?

1505


What are the three major categories of error?

631


What do you mean by a phase angel of instrument transformer?

617


What are test values for an 63 KVA and 100 Kva Distribution Transformers for the following typical tests 1)Magnetic balance 2)Short circuit test 3)Open Circuit test 4)Vector group confirmation test .please give me the standard values for all the above tests.

2242


explain all the classes with example

1468