Electrical Engineering Interview Questions
Questions Answers Views Company eMail

when we supply in primary side of transformer then the supply goes in secondary side?how it works?

4 2792

how to protect motor in dol starter having capacity of 30 hp.40 hp?

2031

what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?

659




howmuch current can carry the 2.5Sqmm copper cable?

42 74266

what is mutual induction principle?

6 34587

What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?

HAL,

860

What is the difference btwn grounding and earthing?

HAL,

11 8389

Whats the principle of lightning? How protection against lightning is achieved? Types of protection? How to select the height of lightning spike? as per the area.

HAL,

4 7813




what is the differance of acb and mcb and mccb

MacAir, MDS,

12 24542

what is the function of a commutator in a dc generator?

TCS, NTPC, College School Exams Tests,

14 60760

how we are measuring the winding temperature of the transformer?

11 26038

prefer any good electrical engineering book.....it should be useful in the practical fied?

1 7581

How to test Power Transfomer vector group in the field?

Al-Yamama,

3 4141

how will u exactly calculate the unit consumption of the Air conditioners?Split/Window/

3 4479

what is Touch and Step voltages

Pinnacle,

1 2306


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Un-Answered Questions { Electrical Engineering }

why the making current is more than then the breaking current and if its true then its about a controling circuit or breaker power contact points

663


what is the difference between OSR and BUCHHOLZ relay of transformer?

1146


what is auto re-closer?

1053


Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??

755


What is the difference between rulling span and wind span of of an Over Head Transmission Line?

846






If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")

720


Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????

661


What is A check, B check, C Check & D check for a diesel Generat

761


and gate circuit diagram,amplifier circuit diagram

839


Can u Explain about the electronic trivector meter and the use of data converters in them?

1049


Where I can get the sample question for post of Junior engineer electrical-II For RRB Bhubaneswar.

825


hi,every one, i have to write the search paper on "performance policy optimization" of NGN (next generation networks). i need the material on this topic. can any body help me. please tell me any useful site where the good material is available and name of any reference book. it should be a great help for me.

734


how give earthing conection to household equipment?

700


what is current check gurd relay?

1078


What happens if we give the supply to the rotor of induction motor and make its terminal shorted?

1702