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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why dc supply is given to the field of alternator

9 20778

1.why is +1+1=+2 why cant it be +3 2.Why is +1*-1=-1 why cant it be something else 3.why are the hilly areas more cooler than the ordinary areas?

ThyssenKrupp,

5 8226

can we use 7volt DC BATTERY to run a 60watt motor by stepup? Give reason for your answer?

5 7364

when will be the iocl interview results ifaced the interview on september 8 th

IOCL,

2270

What is ELR, and where it is used ?

KSEB,

7 66068

what is meant by GOD in transmission system ?

Reliance,

6 14076

why motor starting current is High ?

Bhel, Jindal,

11 25501

Why fuel tanks to be earthed ?

Electronics, Hindustan Petroleum, HPCL, Ispat,

6 20559

why 400Hz is used for aircraft systems ?

Cabin Crew, Jet Airways,

14 56214

a 3 phase motor was running with delta connected, suddenly one phase winding got burnt off, what will be the effect ?

Bhel, RRB, SR,

8 17822

why 3 phase motors are preferable over single phase motors ?

6 10036

can SMPS work in DC supply ?

HCL, IBM, Reliance,

10 23948

How DC earth leakage currents can be reduced ?

1969

what is the design factor that affects the size of a motor ?

Reliance, SGI,

3 6717

why ELCB's are not useful for operation theater equipments ?

Reliance,

4 9542


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Define characteristics impedance?

1187


Can you tell me more about pu systems (per unit systems )calculation in large power systems? how to get the base for voltage and power in generator, transformator and transmission lines?

2347


what is W.T?specify the acceptable range?

2019


what is inter connected dc generator?

2892


please give me all the Alarm .Trip ,Safety Relays & Conditions of Diesel-generators mail me on ashokbabunhce@gmail.com

2023


In general bus riser follows the bus section in SWGR. What are impacts if bus section follows bus riser?

1638


what is meant by poly phase induction motor ? how its operating by single phase or three phase?

2213


in what type of applications v can use q meter?

2198


What are the characteristics of negative feedback?

1123


how to calculate the Neutral transformer impedance?

2547


Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m

5264


Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?

2199


what are factors to be consider in electrical installation like load factor,diversity factor .....

1862


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?

1991


how can we phase identification in a distribution line,how we recognise that which phase is coming for a house hold connection.help me............

2137