Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Can the Neutral and Body Earthpits of a transformer conncted together by Earth strips under ground.

SanDisk,

4 13116

What is the battery voltage limit

3 4161

How much load with stand the copper cable by sq mm apro..

L&T, Taj Group,

1 4238

why use generator Earthing/Graunding.

4 7961

what is earthing.how we make it,describe briefly.

HAL,

1945

If one 10 Hp 3phase induction motor connected in 380volt 50Hz. and again its connected to 380volt 60Hz. howmuch currrent and power take on both time?????

1 4385

how to calculate AH of a battery?

Exide,

8 47232

define digital electronic

1566

Can any one explain me about 2 phase motors ?

L&T,

2 4632

What is the difference between Isolator & Load Break Switch?

Infotech,

7 48022

does a DG set has low fault level as compared to that of a transformer.If yes then why.

1518

what happenes if the core of the transformer saturates?

4 6936

1.In two wattmeter method if one wattmeter shows Negative reading then wat is reason? 2.Wat is the reason for low voltage in houses? 3.Wat is meant by current and voltage? wat is difference between the two?

Engineering,

10 61953

what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

Mepax, NEPCO,

1960

how to calculate the no. of earth pits required for an electrical installation?

Mepax,

1 6272


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Un-Answered Questions { Electrical Engineering }

Why is the starting current high in dc motor?

609


What are IP protections used for electrical panels, JB, equipments installed in explosive zones like Petrochemicals, Oil & gas

1213


How to calculate pitch, gauge of winding wire, and No. of turns for 30HP, 3 phase, 4 poles 50Hz, 380V induction motors

1468


what is the Connected Load (kW) or Contract Demand (kVA)of mahindra nasik plant??

8871


give me atleast four differences between circuit and network

1709






how to store the thunder power?

3750


ht side line to earth voltage

1059


how is control wiring coding is done in a CRP panel ?

1533


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

617


Earth leakage relay basic knowledge principle

1730


how does high earth to neutral voltage affect electronic equipment?

926


why current is constant on d.c?

1568


How to calculate the fuse rating depend upon the DC circuit?

2380


how to deside the capacity of chock for drive?

1613


Transformer how to maintaince a check b check c check d check

1527